You're trying to compare incomparable things: Some musicals ARE corny, some DO relate to real-world problems ---- but what has either of those things to do with it being an art form -- OF COURSE it's an art form, doesn't mean everyone's going to like it.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.