Forethought co-founder @willmacaskill explains why the best post-AGI future may mean deliberately limiting growth to doubling every 1–2 years, even if superintelligence could move much faster: "The sort of future that we want is what I call a kind of viatopia. It's not a utopia where we know the vision of the good. Instead it's this intermediate state where society is such that it can reflect and steer itself over time." "Given how fast I expect growth to go after development of AGI, I think…