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.
America changed my life, but I still think of home and working in Scotland was an important part of that.
My children - in many dimensions they're as poorly behaved as many other children, but at least on this dimension I've got my kids brainwashed: You don't use Google, and you don't use an iPod.