Minimum wages are always going to be defined by scraping by. Definitionally that's just where they get pushed both in terms of wages and prices. But yes, removing skilled labor and replacing it with unskilled labor does mean more perks for the wealthy.
I guess this assumes "AI" is a containable entity ?
I mean, why can I not get my SuperSmart5000 robot to self improve and then use it's intelligence make my situation better?
Personally, I think this is why open source AI efforts are so important. If we're going to get wiped out by AI, I hope it's an open source AI that does it.