A viral essay from Citrini about how AI bullishness could be bearish was impactful enough for Bloomberg to give it partial responsibility for a decline in the stock market, and all the cool economics types are talking about it.

So fine, let's talk.

It's an excellent work of speculative fiction, in that it:

Depicts a concrete scenario with lots of details and numbers.
Introduces a bunch of underexplored and important mechanisms.
Gets a lot of those mechanisms more right than you would expect.
Provides lots of food for thought.
Takes bold stands.
Is clearly labeled as ‘a scenario, not a prediction’ up at the top.
Is fun to read and doesn’t let reality get in the way of exploring its ideas.
The Efficient Market Hypothesis is false, whoo!

Citrini: Hopefully, reading this leaves you more prepared for potential left tail risks as AI makes the economy increasingly weird.

It is still a work of speculative fiction. It doesn’t let reality get in the way of its ideas.

I appreciate Tor Bair's perspective of this being a case of Cunningham's Law, that the best [...]

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Outline:

(03:17) The Headline Destination

(05:36) ...And Thats Terrible

(08:59) SaaSpocalype Now

(09:48) Levels of Friction Go To Zero ...And Thats Terrible

(11:51) DoorDash and Uber

(13:36) Breaking Into The Marketplace

(14:24) Who Captures The Surplus?

(15:09) For Everything Else

(20:55) Real Estate Realism

(23:14) Everything Is Awesome And No One Is Happy

(23:49) Bearish For Non-AI Stocks Is Reasonable

(25:47) Other Levels of Friction Problems

(26:45) Oh Over There? Thats The Singularity

(28:12) Have I Got A Job For You

(29:51) Systemic Failure

(32:31) What Me Worry (About Economics)?

(37:14) We The People

(39:29) The Efficient Market Hypothesis Is False

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First published:
February 24th, 2026

Source:
https://www.lesswrong.com/posts/bKrpLhqcoN6WycrFp/citrini-s-scenario-is-a-great-but-deeply-flawed-thought

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Narrated by TYPE III AUDIO.

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Images from the article:

Stock chart showing one-day performance of four financial services companies, all declining.

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“Citrini’s Scenario Is A Great But Deeply Flawed Thought Experiment” by Zvi

LessWrong (30+ Karma)