I'm sorry but the fact of the matter is that throughout history and cultures that has existed with no problems to the people in those cultures
I'm sorry but that's an utter bollocks argument. We have
no idea what effect any historical practices had on people, we have no idea whether those involved were permently damaged or not. Just because it is commonplace and happens to a lot of people doesn't mean it's ok (c.f wife-beating, slavery, bullying at school - sure people usually survive these things and get on with their lives but that doesn't mean they aren't harmful).