Yeah, I was going to just list the broad strokes of the actual skill/work required, but actually paying the bills while doing it seriously is just too much to easily ignore. There are some genuine ways to do stuff like that as a job or freelance, but not enough to support too many people. I'm guessing a good number need to rely on event photography to pay for their equipment, and I can tell you that's sure as hell not for me. (Unless I could be on a football sideline. But being a wedding photographer would be a nightmare for me.)