Unbelievable - Mark Zuckerberg refuses to remove #vaccine disinformation, because he thinks we should find media that reflects our opinion. That's precisely the problem - we're entitled to our own opinion, not our own facts. @Facebook don't care

theguardian.com/technology/202…
... seriously, this is disingenuous. We as a species as not information-neutral - we are FAR more prone to believe repeated assertions (illusory truth effect), & more affected by emotive falsehood than mundane truth. Groups from anti-vaccine to #QANONS know this, so do @Facebook
..we also know exposure to anti-vaccine conspiracy theory makes parents vaccine hesitant (h/t @DrDanielJolley et al) AND Facebook a primary vector of this, which has been causing harm for years. @Facebook know this - they just see all engagement as profitable & don't give a damn
None of this information is secret - not for nothing did I include 4+ chapters in #TheIrrationalApe on both how we're impacted by disinformation & how online falsehoods skew our perspective. Zuckerberg knows it too - he just wants to sell dereliction of responsibility as "choice"

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More from @drg1985

20 Mar
Yesterday Irish supreme court upheld "absolute confidence" bar on negative results from #CervicalCheck - by chance, preprint by @donalb5, @CiaranORiain, & several others on false positives / negatives just dropped. So let me explain why most scientists & docs unhappy (1/n)
First off, the idea behind screening is that you cast a wide net, and over a population, you catch some warning signs before they become a problem. The net is inherently imperfect - but on AVERAGE it saves lives. So what defines a test's reliability? These things (2/n)
So what do you want in an ideal screen? Some test with high sensitivity (correctly identifies the thing) and high specificity (doesn't accidentally say the thing is there when it's not). But prevalence matters too - take LBC, the standard modality. (3/n)
Read 12 tweets
18 Mar
Being asked frequently about whether #coronavirus will make anti-vaccine activists change their mind on vaccination. Seems logical, right? Alas, no - they're claiming the virus is a hoax, & pushing 'cures' like vitamin C - which is precisely what I'd expect. Thread on why (1/n)
The positions anti-vaxxers are taking in light of #COVID19 seem bizarre, but it's important to realise that anti-vaccine beliefs are by definition already conspiratorial - you'd have to accept all scientists / doctors are lying to you for some reason (2/n)
..this is crux of the issue. Vaccine denialism isn't a logical position; it's IDEOLOGICAL one. It's a form of motivated reasoning - start with a conclusion ("vaccines are bad") and then bend reality to try & justify that belief. Here's a little from #IrrationalApe on it (3/n)
Read 9 tweets
23 Dec 19
Joseph Mercola runs an empire that hawks snake-oil, denigrates conventional medicine, & has given over $2.9 million dollars to anti-vaccine activism. And he epitomises precisely how vulnerable we are to falsehoods, & the consequences. A thread 1/n washingtonpost.com/investigations…
..for context, Joseph Mercola runs mercola dot com. A vocal proponent of alternative medicine, Mercola pushes medical disinformation at an alarming rate. Among his myriad claims

1. Cancer is a fungus
2. Vaccines cause illness
3. HIV isn't cause of AIDS

and such nonsense. 2/n
..and yet, Mercola controls a media empire. His website is one of the most popular in the world, he's had 2 NYT bestselling books (1st a dodgy diet one) & the other alleging bird flu was a medical industry hoax. He's a frequent guest on Dr Oz. He made $7 million in 2010 alone 3/n
Read 16 tweets
24 Nov 19
THREAD: Today marks 160 years since Charles Darwin's "On the Origin of the Species" was released, & theory of evolution first unveiled. Evolution is of paramount importance in everything from biology to cancer - but it's often deliberately misrepresented. Here's why.. (1/n)
..In the book, Darwin beautifully laid out his hypothesis, supported by ample data, pointing to a humbling and deep truth about the interconnected of all life on Earth. As I write in #TheIrrationalApe, Darwin shed light on how we are a part of nature, not apart from it (2/n)
..initially at least, this wasn't that controversial. In fact, Darwin's work was a surprise hit. But inevitably the idea we are not alien from nature ultimately began to rankle some sensibilities.. and as Darwin got more popular, he incurred the wrath of a powerful enemy (3/n)
Read 14 tweets
27 Oct 19
This handsome devil is Vasili Arkhipov. On this day 57 years ago, he saved the world. At the height of Cuban missile crisis, Soviet sub B-59 was being pursued by the USS Randolph. In the panic, it dived too deep to communicate with Moscow (1/n) THREAD
The Americans in pursuit dropped depth charges. Conditions onboard the b-59 were oppressive. And in such hellish conditions, the crew determined war had begun - and prepared to fire a nuke. As I write in #TheIrrationalApe (2/n)
Due to unique circumstance, Vasili had the deciding vote. Facing fellow officers resolutely determined to die fighting, the fate of the world fell on this Russian's broad shoulders. Facing them, he vetoed their request to engage. A passionate row ensued, but be stood firm (3/n).
Read 7 tweets
17 Oct 19
Really good news - Lenny Pozner won his case against #SandyHook conspiracy theorists who insist his son (the youngest victim of the atrocity) never existed. I write about these ghouls in #TheIrrationalApe, so here's a short thread on why it matters (1/n)

theguardian.com/us-news/2019/o…
..to recap, the 14th of December 2012 turned Sandy Hook into the epicentre of a conspiracy windmill, when 20 children between the ages of 6-7 and 6 staff members of the local elementary school were gunned down in cold blood. As I explain in the book... (2/n)
..the massacre captured the world's attention, and you'd be forgiven for thinking that compassion for the victims and their families would be natural. But alas, no - immediately, a vicious cohort emerged who claimed Sandy Hook was a conspiracy designed to take their guns (3/n)
Read 14 tweets

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