npub1wejrqr0ayjg27cwz0d86a8xrcsx4vkxlg9sa33ecjk4t7c9d79fs4lrn0z (npub1wej…rn0z) I think there is probably a different "headliner" culture at each, as you say. And then who knows, many thousands of smaller cultures.
They certainly differ in the ability to avoid headliner culture as well.