I don't know, look at someone like https://news.ycombinator.com/user?id=dmbaggett he seems to be an entrepreneur who enjoys what he's doing.
https://docs.google.com/spreadsheets/d/1Uy2aWoeRZopMIaXXxY2E...
How many of them do you think started their companies out of “passion”?
Some of the ones I spotted checked had a couple of non technical founders looking for a “founding engineer” that they could underpay with the promise of “equity” that would probably be worthless.