Well, he does plays baseball for a living. A very nice living. I'd enjoy that too.
Let's see him get up at 6:00 every day. Fight DC traffic. Work a ten/eleven hour day. Get home. Have to cook dinner. Take care of kids. Run errands. Worry about bills, college costs. Etc.
See how much joy he has then.
Let's see you do the kinds of drills and workouts that they do daily.
Seriously, I get what you're driving at, but come on. It's not like they just roll out of bed and play baseball 3 hours a day.