i believe this explanation. Dirtbag climbers are in this category too, but are historically somewhat more welcoming because for a generation it was so rare tha

i believe this explanation. Dirtbag climbers are in this category too, but are historically somewhat more welcoming because for a generation it was so rare that a new guy showed up that the inculturation process could be pretty gentle. Punk and thrash are cliquey for the same reasons, I should think.