Why Haze!!

If people KNOW that hazing is wrong, why is it still being done. I think that the simple fact of being hazed oneself causes them to take that out on the next. Future frats and sorors start to expect the things that are done during hazing. I've heard a girl actually say,"Yeah girl, they are going to beat my ass." (Name of the organization will stay unmentioned). When I heard this, it pissed me off that that was what she was looking forward to. Give some insight!!!