What millennia are you taking about? None of these cultural norms are that old. We still have people living in the jungle walking around with breasts exposed and nude beaches are quite popular on posts of Germany.
None of these cultural norms are that new either. Even back in ancient Greece and Rome there were rules about what constitutes public or on stage obscenity.
None of these cultural norms are that new either. Even back in ancient Greece and Rome there were rules about what constitutes public or on stage obscenity.