You live in a sci-fi world, we are that sci-fi story. Nothing we're talking about is outside the world of scientific possibility.

One thing you are really missing is a small amount of job displacement is going to create a huge deflationary amount in wages. At the end of the day you don't need that many plumbers and electricians. There was a reason a lot of people moved to office and tech jobs starting in the 80s. Trades were a dead end at the time. And the same thing will happen again as labor shifts.