People already do a lot of thinking for fun. They read novels, they write software, they do crossword puzzles, they play chess.

My experience at home and work is the more “thinking” these tools do, the more it frees me up to think about something else, usually something harder.

The mention of exercise brought this to mind:

https://youtu.be/O6SEXp3-lo8?is=jJ55WL3ZvFoG6G8u