Well, the whole point of the current AI boom is about finding ways to stop keeping a large portion of society employed, so in that sleep what dreams may come must give us pause...
So while it's true that the current jobs some people do will go away the total variety of jobs will continue to grow.
If you leave a working class citizen alone with a secure income he will educate himself or go with arts, we simply cheat him out of the possibility to discover his unique potential.