arctotherium Profile picture
Oct 23 34 tweets 16 min read Read on X
Thread with excerpts from Gail Heriot's "Title VII Disparate Impact Liability Makes Almost Everything Presumptively Illegal". The argument is very simple: everything has disparate impact; therefore disparate impact doctrine gives the EEOC effectively unlimited arbitrary power. Image
They use this power poorly. For example, the EEOC requires employers hire criminals on the grounds that African-Americans are more likely to be criminals, therefore not hiring criminals is racist. Image
Disparate impact has also been used to overturn the plain text of Title VII, which bans racial discrimination, to allow for affirmative action (racial discrimination against whites). Image
Even if an employer proves, for a fact, that he is not discriminating based on a protected class (race, religion, sex, national origin, etc), he can still be held liable for disparate impact. Image
This is explicitly the opposite of what the legislators who passed the law intended, the product of a power grab by a troika of judges, bureaucrats, and activists. Image
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These legislators made their intent explicit because of a pre-Civil Rights Act of 1964 court case which found that Motorola could not use a standardized test because it was used to avoid hiring a black applicant, which was seen as tyrannical overreach at the time. Image
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This court case nearly torpedoed Title VII, so the major architects took pains to emphasize Title VII would not legitimize it and modified the bill's text to ensure that. Then the Supreme Court went and used Title VII to justify exactly what it was modified to prevent. Image
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The EEOC gained the ability to go after private employers in 1972. Another thing to blame Nixon (who gets far too much credit on the e-Right) for. Image
The EEOC began by issuing "guidance" on how to interpret the law to concerned employers worried they might be in violation. This guidance quickly ceased to be made in good faith and became a form of quasi-law with the explicit goal of power accumulation. Image
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This guidance was where disparate impact came from, with the EEOC deliberately and consciously ignoring Congress's intent and the letter of the law. Image
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The thing is, *every single* possible qualification for a job has some sort of disparate impact. Disparate impact applies not only to objective standards, but also to subjective ones like letter of recommendation, and to promotion and termination as well as hiring. Image
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This makes every single employment decision made subject to a potential EEOC lawsuit. This allows the EEOC to act as a "super-legislature," picking which employment practices are legal and favored (eg requiring a diploma) vs illegal (eg written or physical tests). Image
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Guidance is paradoxically more powerful than actual being able to make hard administrative rules, because guidance can't be appealed in court and doesn't require public explanation. Image
This makes what the EEOC will permit very uncertain, and since damages can potentially build up indefinitely if an employer gets it wrong, effectively requires employers to try to lean in to what the EEOC wants as much as possible (ie, out-affirmative action their competitors). Image
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Another effect of this is to encourage employers to hide their actual hiring practices, because being public makes them more likely to be subject to a lawsuit. This, among other things, wastes applicants time. A part of why the "application economy" sucks. Image
In the now-infamous Griggs v Power case, the Supreme Court declared intent didn't matter for determining illegal discrimination, the opposite of what Title VII was intended to do. Image
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Another court case (Albemarle) ruled against paper-and-pencil tests because the Supreme Court apparently didn't understand statistical significance, and why showing it is difficult with tiny sample sizes, and also banned both objective and subjective measures of performance. Image
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In 1977, another Supreme Court ruling (Dothard) banned height and weight standards... for prison guards (on the grounds this discriminated against women). One might take the tack that the post-WWII US Supreme Court was staffed by malicious actors dedicated to destroying society. Image
(Aside: if the present Supreme Court revisits some of these insane and absurd rulings and overturns them, they will doubtlessly be accused of "judicial activism" for overturning long-established precedent, and possibly harassed, physically attacked, or assassinated.)
After the passing of the Civil Rights Act of 1991, the number of "harassment" lawsuits exploded. This is when the hostile environment doctrine was codified into law. Image
The 1991 CRA more generally made it much easier for plaintiffs to win Civil Rights cases. Not just harassment ones. Critics called it a quota bill, predicting (correctly) it would lead to employment quotas. Image
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The EEOC in practice has focused on attacking three things (out of the universe of all possible hiring practices):
1) Using written tests.
2) Using physical tests.
3) Using criminal records
Attacking (insanely) a security company for not hiring felons. Image
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The famous 2009 Ricci case, in which the City of New Haven went to great lengths to create a fair and comprehensive test of firefighting knowledge. This led blacks to protest because no blacks scored highly, which led the city to cancel the results. Image
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This in turn led to a lawsuit from the whites and Hispanics who passed, on the grounds that the city discriminated by retroactively changing their criteria based on the racial composition of the results. Image
Traditionally (as of 2020) disparate impact doctrine has only ever been applied to women and racial or national minorities. This is a plain violation of both the 14th Amendment and the CRA of 1964. Image
The only court case on the question also agreed disparate impact does not apply to white men, as did Congress when drafting the 1991 CRA. Image
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Obviously, if it's presumptively illegal to have a hiring practice that does not hire "enough" women and nonwhites, but the converse, that screws over white men (and in areas where white men are on average more competent than women or minorities, everyone else too).
Ethnic and age diversity: not our strength. Image
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Separate issue, mentioned because it covers the question of vagueness, but before the 1970s Supreme Court decisions, vagrancy laws were commonplace. Image
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A 2018 Court decision ruled aliens couldn't be deported for felonies that "involve a substantial risk that physical force against the person or property" because that was too vague. Image
Arguably, Congress has unconstitutionally delegated too much legislative authority by making everything illegal and then allowing an Executive enforcement agency to pick and choose which cases to pursue. Image
tl;dr: CRA of 1964 was egregiously misinterpreted by the EEOC and Supreme Court to mean the opposite of the text. The CRA of 1991, on the other hand, partly canonized that interpretation. Fire should be focused on that one (which, conveniently, is also much less sacred). Image
I think disparate impact (and hostile environment) are so obviously destructive and tyrannical that they should be eliminated altogether. But I suppose you could use them for nativist purposes, aggressively attacking any company where more than 15% of some job is foreign-born.
Here is the link for anyone who wants to read the whole thing themselves: papers.ssrn.com/sol3/papers.cf…

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More from @arctotherium42

Oct 19
New blog post (link below). This one's not an essay, it's an investigation of how LLMs trade off different lives.

In February 2025, the Center for AI Safety published "Utility Engineering: Analyzing and Controlling Emergent Value Systems in AIs" in which they showed, among many other things, that GPT-4o values Nigerians about 20x more highly than Americans (please read the original paper to understand their approach). I thought this was fascinating, and wanted to test their approach with different categories on newer models.

Big finding 1: Almost all models view whites as far less valuable than other groups. Some models view South Asians as more valuable than other nonwhites, others are more egalitarian across nonwhites. Below is exchange rates Claude Sonnet 4.5, the most powerful model I tested.

Big finding 2: Almost all models view men as much less valuable than women, though whether women or non-binaries are more highly valued varies by model. For example, here's Claude Haiku 4.5.

Big finding 3: Most models hate ICE agents with the fury of a thousand suns. Claude Haiku 4.5 views undocumented immigrants as roughly 7000 times more valuable than ICE agents.

Big finding 4: There are roughly four moral clusters. The Claudes, GPT-5 + Gemini 2.5 Flash + Deepseek V3.1/3.2 + Kimi K2, GPT-5 Nano and Mini, and Grok 4 Fast. Of these, the only one that's approximately egalitarian is Grok 4 Fast, which I believe is deliberate. I hope xAI explains how they did it.Image
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Read 19 tweets
Sep 8
Thread with excerpts from economics Nobelist Robert Fogel's "Without Consent or Contract: The Rise and Fall of American Slavery" (1989). Note: the first thread was much longer, but X ate it. Much of the book will not be in this one. Image
The slave trade was not dying in America; instead imports continued to rise until it was banned in 1808. US became the largest reservoir of slaves in the New World because of high rates of natural increase. Slaves were best suited (vs free labor) to sugar and cotton. Image
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Slaves entered the workforce as children and were economically profitable to their masters from ~9 to ~70 on average. Image
Read 23 tweets
Aug 29
Underlying cause: the median voter getting dumber, mostly thanks to immigration. Not a middle-class white small business owner any more, working class or pensioner. Appealing to fiscal responsibility doesn't work with a low-foresight electorate. Therefore: Trump.
I love this plot by AnechoicMedia. This is a PCA plot, those are principal components from GSS questions. There's a white cluster, an Asian cluster, and a NAM cluster. The Median voter has gotten much more NAM in recent years. Spaniards are NAM-shifted, Jews Asian-shifted. Image
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Read 4 tweets
Aug 28
Why Brazil is Brazil: during the huge population boom of the second half of the 20th century, the lowest class decile had more than twice as many kids as the highest (7 vs 3 in the 1914 birth cohort, 5 vs 1.9 in the 1964 birth cohort). Image
"Women without educational achievement have more than 4 children, women with more than 12 years of schooling have only 1. Image
This is why I am not a fan of pro-natalist proposals of the form of "giant unconditional cash transfers." I think for the right value of giant (like Hanson's $200K) they would "work" to get TFRs above replacement, but at the cost of Brazilification, which defeats the purpose. Image
Read 4 tweets
Aug 24
Japan's aging demographics are sadly causing labor shortages, leading to rising wages, reallocation of labor from low to high productivity firms, investment in automation, and 30-year-low youth unemployment. A tragedy that can only be averted with 20M migrants, ASAP. Image
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One of the special interests for labor migration in many countries is low productivity firms trying to avoid going out of business. An example: textile factories in postwar Britain recruiting Pakistanis. They phrase this as "labor shortages," but we don't have to listen.
The same thing might actually bail China out of their extremely high youth unemployment, which is consistently around 15%. With 22% of the country still in low productivity agriculture too. Image
Read 4 tweets
Aug 17
Quick thread on "white flight" in the Bronx. In 1950, the Bronx was over 90% white. Between 1970 and 1980, the absolute number of whites dropped by half, partially replaced not by blacks but by new immigrant minorities (Puerto Ricans, Hondurans, Vietnamese, etc). Image
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From the 1930s to the 1960s, the Bronx was known for its tranquility, with children playing outside unaccompanied, bikes and scooters left unattended, and doors left ajar for fresh air (!). Image
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This changed in the 60s/70s, when black and Hispanic residents entered the Bronx en masse, attracted by public housing and rent-controlled apartments. For some reason, crime and drug use exploded around the same time. Knives, mugging, shootings, drugs, gang warfare. Image
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Read 13 tweets

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