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Crémieux

Mar 12 • 9 tweets • 3 min read • Read on X

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Manhattan is arguably America's most iconic city, and more arguably, its only 'real' city.

But its own laws have made the buildings that make it so iconic illegal to build more of🧵

Many of the existing buildings in Manhattan that you couldn't make today are too tall by current standards.

Many of the existing buildings in Manhattan that you couldn't make today have too many apartments by current standards.

Many of the existing buildings in Manhattan that you couldn't make today have too much space dedicated to business by current standards.

Many of the existing buildings in Manhattan that you couldn't make today have building footprints that are too tall by current standards.

But the buildings that make New York tall, dense, and filled with architectural juxtaposition also made New York so iconic, they made it more livable than it would've been otherwise, and they made it great.

The new laws simply don't respect the old vision for New York.

This problem isn't unique to New York either.

In tons of American cities, existing builds are illegal by new standards that are generally not justified by any sort of safety or quality concerns, but which instead are driven by local interest groups and dumb policymakers.

For example, in San Francisco, 54% of all homes that exist there are illegal to build today!

Sources:

sfzoning.deapthoughts.com/illegal_homes.…

nytimes.com/interactive/20…

nytimes.com/interactive/20…

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Crémieux

@cremieuxrecueil

Jul 2

I've seen people mentioning that Europe's heat-related death issue is larger than American gun violence—true!

But people neglect saying how many heat-related deaths America has.

Approximately 1% of what Europe does even though America is hotter and Americans are less healthy!

Those factors mean Americans are more at-risk for heat-related deaths, even after accounting for Europe being a little older than America.

So let's be clear:

Europeans die from heat at relatively high rates; Americans survive it with technology.

What technology?

It's the terraforming technology of air conditioning.

Install A/C and the heat-related deaths will mostly disappear, if Europe can keep their grid operational.

Read 7 tweets

Crémieux

@cremieuxrecueil

Jul 2

What happens when scholars get canceled?

They end up publishing fewer papers and they receive fewer citations.

In other words, scientific productivity falls🧵

Tons of scholars have been cancelled in recent years.

That is, they've received professional backlash for expressing views that people deem "controversial, unpopular, or misaligned with prevailing norms."

Cancellations happen outside of academia, but it's very bad in it.

Large portions of the academy dislike the freedom of speech. Many of those free speech opponents have high agency and the clout to cause material harm to people they dislike = particularly bad cancel culture.

Read 13 tweets

Crémieux

@cremieuxrecueil

Jun 28

You must pick one:

Double the productivity of the bottom 20% or double the productivity of the top 1%:

Double the productivity of the bottom 40% or double the productivity of the top 1%:

Double the productivity of the bottom 60% or double the productivity of the top 1%:

Read 7 tweets

Crémieux

@cremieuxrecueil

Jun 27

Phenotyping is the vast, minimally-explored frontier in genome-wide association studies.

Important thread🧵

Briefly, phenotyping is how you measure people's traits. Measure poorly, get bad results; measure well, get good results.

Example? Janky knees.

The janky knee example refers to osteoarthritis, the most common form of arthritis, which occurs when the cartilage between bones is worn down, so bones start rubbing against each other.

This ends up being very painful.

Everyone with this condition isn't necessarily diagnosed with it.

This is especially true for men, who tend to just ignore this (and many other conditions) more often than women do.

This is, in a word, annoying, because it means that if you study it, sampling is likely biased.

Read 35 tweets

Crémieux

@cremieuxrecueil

Jun 25

ADHD is a condition that's suffered from diagnostic drift: it's been defined more leniently over time, so more people are getting diagnosed.

One way to see this is to look at the benefits of taking ADHD medication. As prescription rates increased, the benefits have declined.

Another way to understand diagnostic drift is to look at the factors that promote it.

For example, school accountability laws lead to more diagnoses and, as a result, more psychoactive drug prescriptions.

Schools are pressured by law into making this happen.

An even more direct way to understand ADHD's diagnostic drift is to look at what types of diagnoses happen over time.

The increase has been more about non-severe ADHD than clinical ADHD. In other words, people with less and lesser symptoms are getting diagnosed.

Read 4 tweets

Crémieux

@cremieuxrecueil

Jun 24

I have a story to break.

Columbia is still practicing racially discriminatory admissions in defiance of the Supreme Court's ruling in SFFA v. Harvard.

Newly-leaked data shows they still prefer less-qualified Blacks and Hispanics over more-qualified Asians🧵

Columbia has made a big show of "complying" with SFFA v. Harvard by noting that their 2024 batch of admits involved slightly less discrimination:

Fewer Black and Hispanic students, more Asian students.

That's what should happen, because Asian students tend to perform better.

But, with this leaked admissions data, we can see that race still predicts admissions.

With fair admissions, race should not have a significant effect, and it should not be directionally consistent.

And yet, in this data, it's clear Columbia still discriminates against Asians.

Read 14 tweets

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