Because not all think there's a problem in what they're doing.
It can be hard to face your own faults. And some just like drama.
Thus, daughters aren't taught otherwise, but follow what they see.
Thus the cycle continues. You cant continue to crave drugs then blame the dealer. Many demand the losers they end up with. Guys aren't going around with guns saying, 'Angela, you will engage in this stupid activity with me or I'll kill you.' The Angela's are going out seeking these predators. Then blaming them later..