Actually you didn't- you avoided it.
You aren't going to take real life arguments for something that does happen in real life. You avoid arguments based on the sourcebooks. So I'm guessing you just want to disagree to disagree- at which point I am wasting my time.
Fantasy games still follow their own internal logic, it's what holds them together. "It's a fantasy world" is not an argument when what is being presented has no basis in those rules or by default in reality.