I remember playing football dressed in peculiar costumes with some friends in France and laughing so hard we couldn't even stand up, let alone kick the ball. ↗
I'm a bit cynical that it ever will be addressed properly. I think it is healthy to get some sort of copyright protection. But some of it has gone on forever. ↗
Children had a special status - protected from the outside world - and they dressed for the part in a way that made that special status immediately visible to themselves and the adults. ↗
Beware the old man in young guy's clothes. If he's over 35 and comes to pick you up looking as though he's headed for a skateboarding competition while you are dressed to go to a nice restaurant, this is not a good sign. ↗