I don’t think it multiplies the expected payoff for both in the same way. Some Bostromian division-of-responsibility principle should apply in both cases. The apparent gains are from the probability of making an important shift via group action where individual action would be unlikely to go over a tipping point, not because you’re multiplying by the number of people involved.
Ah, didn’t see this earlier.
I don’t think it multiplies the expected payoff for both in the same way. Some Bostromian division-of-responsibility principle should apply in both cases. The apparent gains are from the probability of making an important shift via group action where individual action would be unlikely to go over a tipping point, not because you’re multiplying by the number of people involved.