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Survivorship Bias 101

History is written by the victors. But if we exclusively focus on these successes, we allow survivorship bias to distort our understanding of the world.

But what is "survivorship bias" and how does it work?

Here's Survivorship Bias 101!

👇👇👇

1/ First, a few definitions.

Survivorship bias is the logical error of concentrating on survivors (successes) and ignoring casualties (failures).

When we do so, we miss the true "base rates" of survival (the actual probability of success) and arrive at flawed conclusions.

2/ When we completely ignore failures, we lose our ability to correctly identify the differences between successes and failures.

Put simply, exclusively focusing on successes may actually inhibit our ability to identify (and replicate) the actions that led to such success.

3/ Cicero wrote on the topic over 2,000 years ago.

An atheist named Diagoras is shown portraits of people who prayed and were saved from death at sea as proof of God's existence.

Diagoras replies, "I see those who were saved, but where are those painted who were shipwrecked?"

4/ Cicero cuts right to the point - we cannot conclude that prayer led to being saved from the sea if we ignore those who prayed and then drowned.

Survivorship bias can lead to a deeply-flawed understanding of cause-and-effect relationships.

Let's look at some examples.

@FionaPearman @ScottMorrisonMP Morrison is our statue of unempathic neoliberalism - erected by evangelical and corporate Australia to celebrate their victory over compassion, equality and secular humanism. 

Hopefully it gets pulled down like the statues of dubious heroes of oppression from an earlier age.

@ScottMorrisonMP The two-party-preferred system in 
Australia politics isn’t working for people, and it sure isn’t working for the planet.

@ScottMorrisonMP My collapse of faith in our democracies isn’t an accident. It’s one of the central victories of the neoliberal project, delivered through two generations of privatisation, outsourcing and deregulation, underfunding of government services (locked in by tax cuts),...

@ScottMorrisonMP restricting freedom of information, targeting whistleblowers and raiding the media who report on them, delegitimising and gagging public interest advocacy, and criminalising protest.

@ScottMorrisonMP Politics in Australia today relies hugely on the fact that most people don’t know most of what’s going on so as to get away with stuff that couldn’t be done under real scrutiny we have seen a clear example of this with the National Coronvirus Cabinet.

We need to stop imagining the Jan 6 fascists are purely "brainwashed," misguided, etc. Neither are they guided by white supremacy *only*.

They are largely a vanguard of principled petty bourgeois reactionaries who oppose democracy whether in its mass/working-class or liberal bourgeois form. They have allies in the most conservative and reactionary corners of the "big" bourgeoisie.

They see through a funhouse mirror the hypocrisy of liberal bourgeois democracy (no, the electoral college is not "sacred" 🙄). They also vehemently abhor the capacity of true democracy—socialism—to liberate oppressed, exploited workers upon whom their precarious fortunes depend.

To the extent liberal bourgeois democracy engages mass politics and gives even a highly attenuated and mostly suppressed voice to the working masses, that section of the petty bourgeoisie which turns to fascism regards liberal democracy as a betrayal. Only capital should speak.

The woman who died attacking the Capitol Building was a small business owner from San Diego. Yes, her head was full of conspiracist nonsense but she didn't just invent that lockdowns and worker protections might save lives but hurt her bottom line.