Problem is: can we cultivate machine learning intelligence to be as good as some of the best human arbiters?
If a huge amount of wealth is created and 90% of it is captured and the vast majority of it is distributed in share price/dividends then increasing inequality can really fuck up society even while GPD rises.
Taken to its logical conclusion, when everything is automated, the people who own the automation don't actually need the rest of the population at all - it becomes redundant. Of course, the "redundant" population might have different ideas about itself...