The bounds of the human imagination, and its possible expressions, are functionally infinite. Then it is only a question of resources. I don't agree that we've reached this point.

In a post-scarcity world, I don't think the problem of insufficient meaningful work is likely to occur. There will always be a kitten to be played with, art to be made, research to be performed, and more.

Where are all these purfessional kitten-playing-with jobs?

I know several people who make a great living from playing card games (Hearthstone). This would have sounded insane to me 20 years ago.

I know several people who make their livings running a cat cafe.