If AI and robots are doing all the work, literally all of it, then our whole society falls apart and corporations are meaningless, since money is meaningless if robots can create stuff for us for free. If we don’t need to work, we can’t buy stuff from them, so a socialist society would necessarily emerge, which would be good.
But the main thing is previous and current exploitative systems, it was at least in part necessary because you needed humans to do labour. If robots will happily do it all for us, I fail to see what the would be leaders would have to control the rest of the people with, and stopping them just using the robots to produce what they need, self sufficient ly