I find joy in programming, and it's useful, too! For example, the other day I was pretty excited to figure out a solution to a long standing programming problem.
And the use is what? Maybe it brought you joy, (a perception of) respect, or money? 2 of those come with sport and the last just brings the other 2.
You'd do well to consider that variety of interests in our culture is what enriches it.
I'd bore you with a book on everything that's interesting to me. I mentioned programming because that's what I'm known for.