80,000 Hours Podcast
80,000 Hours Podcast

Bonus: The Worst Ideas in the History of the World

Today’s bonus release is a pilot for a new podcast called ‘The Worst Ideas in the History of the World’, created by Keiran Harris — producer of the 80,000 Hours Podcast. If you have strong opinions about this one way or another, please email us at [email protected] to help us figure out whether

Featured Speakers

The 80,000 Hours team HostWill MacAskill Guest

Topics Discussed

Episode Summary

Executive Summary: This satirical pilot presents a mock debate against longtermism and effective altruism, using exaggerated, dark humor to parody common arguments for caring about future people and reducing existential risk. It cross-posts from 80,000 Hours as an experiment in promoting related podcasts, while framing the episode as a “respectful critic” response to longtermist ideas via clips from prominent figures like Will MacAskill, Toby Ord, Chris Blattman, Daniel Ellsberg, and Carl Schulman.

Main Topics: Cross-posting and the purpose of the new show: Rob introduces a plan to promote related podcasts and explains that this episode is a pilot from producer Kieran Harris, positioned as a distinct but adjacent show. Satirical critique of longtermism: Kieran frames his show as a respectful critic of longtermism and effective altruism, using absurd counterarguments to challenge the idea that future people matter morally. The moral value of future people: He summarizes and then mocks Will MacAskill’s core case for longtermism, including the idea that future lives may vastly outnumber present lives and deserve moral consideration. Existential risk as a target for action: The episode pivots to Toby Ord’s argument about existential risks, then humorously inverts it by proposing ways to increase those risks, parodying the logic of risk reduction. Nuclear war and biological risk satire: The host jokes about world wars, nuclear accidents, and gain-of-function research, using these scenarios to lampoon the seriousness of existential risk mitigation. Community signaling and guilt by association: The episode closes with a mocking aside about vegans, dog lovers, and painters in EA circles, jokingly invoking Hitler as an absurd association to undercut the communities’ image.

Key Arguments: Longtermism is presented as vulnerable to ridicule because it treats future people as morally significant despite their temporal distance. The future could be extremely large, but the host argues this fact does not straightforwardly establish moral urgency; he offers absurd reasons to doubt future people matter equally. Existential-risk reduction is portrayed as a natural longtermist strategy, but the episode satirically suggests the opposite—raising existential risk—using intentionally outrageous examples. The show claims to avoid attacking individuals and instead targets ideas, while simultaneously using humor to challenge the perceived seriousness of EA/longtermist discourse. Using clips in the original speakers’ own words is presented as a “fair” way to critique longtermist arguments without misrepresenting them.

Data Points: Future scale estimate: ~1,000 future people per person alive today - Will MacAskill clip: low-end estimate if humanity lasts as long as a typical mammal species Potential civilization duration: Hundreds of trillions of years - Will MacAskill clip: if civilization becomes interstellar and persists long term Existential risk this century: 1 in 6 - Toby Ord clip: estimate of existential disaster risk in this century Pandemic lab leakage rate: 1 in 500 lab years to 1 in 2,000 lab years - Carl Schulman clip discussing safety concerns with labs handling viruses Pandemic release risk: 1 in 1,000 per year (approx.) - Carl Schulman clip, as summarized in discussion of leaks/escapes Nuclear winter effect: ~70% reduction in sunlight - Daniel Ellsberg clip describing consequences of a large US-Russia nuclear exchange Global food supply buffer: About 60 days - Daniel Ellsberg clip explaining why famine could follow nuclear winter Estimated nuclear war survivors: ~1% (around 70 million people) - Daniel Ellsberg clip on likely survival in the Southern Hemisphere

Pivotal Quotes: "the only good future person is a dead future person" — Kieran Harris (character voice / parody grandfather): Used as a deliberately extreme comic thesis to oppose longtermism "future people are walking spoiler alerts" — Kieran Harris: A satirical “reason” offered against caring about future generations "the core argument is very simple. It's that future people matter morally." — Will MacAskill: Clipped summary of longtermism’s moral foundation

Implications: The episode signals a new, comedic editorial mode for the podcast: using satire and direct clips to interrogate EA/longtermist ideas. Listeners should expect more playful cross-posts, but also a clearer boundary between serious interviews and ideological parody.

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