> Yes, it's counterintuitive to many people that "the optimal amount of $BAD_THING is non-zero" for a rather large set of possible values for BAD_THING. How mu

> Yes, it's counterintuitive to many people that "the optimal amount of $BAD_THING is non-zero" for a rather large set of possible values for BAD_THING. How much "earth is sterilized" risk is reasonable per year?