Yes the expensive but not-ready automation tech that needs 0 maintenance is going to take 2100 by storm!
Yes, then everyone can be less employable.
If you redistribute the resulting capital returns, that could be nice, sure.
Stick to neoliberal capitalism and it's dystopian, though.
What alternative do you propose?
The working class seizing the means of production and the destruction of wage labor.
Socialism. Everybody matters. You don't have to go all the way to communism, just ensure everyone has food, healthcare, a home, heat, water, electricity and Internet access.
It's great.
The way forward might be a synthesis of competing systems / approaches. For instance we could use neoliberal capitalism as a starting point, and (as a society) devote serious resources to addressing harmful effects caused by things like rent seeking and regulatory capture.