According to Goering and the Luftwaffe High Command, they were supposed to be the fighter elite.
I just think that gay men have much better taste than any straight man I have met. I have never gotten any grief about having a good time, being unapologetic, and irreverent from a gay man.
I can understand why those bands do it. It can be a hell of a lot of bloody fun. People are allowed to have a bit of fun after the age of 40, and a lot of them do need the money.