Because we still live in an economic and societal system that requires everyone to have a job and spend more of their money on useless shit.

If we want to truly want to automate away jobs, we should also change our economic system such that people don't have to work like they do today. Without that we'll just create more jobs for everyone to fill, automating away some while cresting others and all we really sis wash shake things up and stress out those involved.