Neil Chilson: longtermism lets AI doomers dodge probability arguments

neil_chilson · x · 2026-09-20

A debate on the philosophical roots of AI safety: @mattyglesias argued that longtermism drove EA interest in AI safety, but nothing about AI policy hinges on the social discount rate — it's an intellectual history curiosity. Former FTC economist Neil Chilson countered that the longtermist argument is exactly what excuses the enormous emphasis on existential risk regardless of likelihood, letting doomers say the magnitude alone justifies prevention. Gabriel Weil replied few relevant people argue that way; Chilson added they do when asked to justify their p(doom).

Related event: Debate Erupts Over Longtermism's Grip on AI Safety Agenda(3 posts)→

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