Here is my answer to your question.
I only provided the link about sexual discussion because you brought this subject in your early post.
Most fathers (I would say mothers as well) overreacted, overprotected and overparented daughters than sons. It lead phobia disorder/paraniod personiality disorder if the children are being overprotected and reject by their parents a lot. Itīs no good.
Worst is when they learn that their daughters have boyfriends. Yes I know the parents tried their best but it could be annoy for the children because the parents give their children feeling that they have no trust toward them. Itīs bad that thereīre no trust bond relationship between them.
It doesnīt solve anything but worst. Your daughter will disrespect/rebel against you.
I agree with you and Angel. If a parent has to resort to bringing the legal system in to control their child's behavior, then there has been something wrong with theprent/child relationship for a long time.