We already know how society looks like if a small portion does not need to work. But how will it be if no one needs to work?

An interesting case is Saudi Arabia that pretty much runs on free oil money. Saudi nationals are notorious for having bad work ethics, and they have to import many foreign workers to run the economy. To prepare the country for a post oil world companies are required to hire a minimum percentage of Saudi nationals.

https://en.wikipedia.org/wiki/Saudization