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I'm glad I'm not on 1918 Twitter. "What if -- and I am aware that this is crazy, but run with it -- what if I can *imagine* -- Oh God, please don't kill me -- a United States which could be involved in a war for 15 years and that would be bad but not The End Of Things."
Shouldn't we avoid generalizing from reduced cost spread of e.g. war, naturally-occurring plagues wrt overall risk of catastrophe, for the same reasons that future humans with good climate change solutions shouldn't look to climate change when there's a death ray pointed at them?
