Yes, but the "point" of evolution is to get more complexity while keeping a good enough stability baseline and this entails automation, but it never led to less diversity.
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.