Sometimes cultural differences can be self-reinforcing. Studies on corporal punishment and childhood trauma have shown that trauma increases when it's perceived

Sometimes cultural differences can be self-reinforcing. Studies on corporal punishment and childhood trauma have shown that trauma increases when it's perceived as unusual. If a kid is beaten for disobedience and none of their peers are, it's more likely to cause lasting trauma. In societies where beatings are commonplace, kids are much more likely to adjust and grow up fine.