Different people have different feeling and motivation and reasons for doing things. No doubt there are people thinking like you, but it's to early to tell how it will be for the majority.

> People still play chess and go and StarCraft

Because most people still find them enjoyable. You can't say those are less enjoyable than math. There is no universal scale for enjoyment.

> kind of like you might eat today even though you already ate yesterday

You'd die if you stop eating after yesterday's meals. That's survival.