Yours is an optimistic take and frankly I do agree with most of it: there isn't an upper bound to economic opportunities as long as everyone gets to use the tools, since the cost/risk to produce something new will significantly decrease, this will boost the diversity of creative industries from which countless gems will be made. However the problem is what if everyone loses their current opportunities before these techs become widely available? How to handle the transition period? A monopoly/oligopoly is not going to care about helping the average person in accomplishing that transition, because it won't make their next quarterly earnings report look pretty.