IMO the biggest unknown is the subset of people who will have near infinite increase in productivity because it opens a door that was completely closed to them

IMO the biggest unknown is the subset of people who will have near infinite increase in productivity because it opens a door that was completely closed to them previously. Otherwise incredibly talented people in art/manufacturing/education/etc. who have a lot of domain expertise could be the ones who really come up with the coolest new uses of the tech.