I think, honestly, when parents take their really young kids to Disney? They're not doing it for the kids so much as they're doing it for themselves. The kids are just an excuse so they won't be embarrassed by being an adult in DisneyLand.
I'm still too young, too, for a few more years. But I've watched him get ready and practice at home, and he's great. As a performer at least. Can't speak about the bartending. I'd be grounded until I graduate from college if I tried asking while I'm still under 21.