Racial cultural bias Gary.  Sexual norms are not the same.   I have proof from person knowledge of 40!years ago, and I have two daughters through college.  I don't need a survey to inderstand variation in Sexuality.  I don't say that as condemnation, people can make their own choices.  Remnants of white Puritanism cast a lot of guilt and shame.   That leads to a lot of damaged lives as well

Sometimes we regret poor decisions.  I don't know if that was the case, but the police had little evidence to charge assault or holding an unwilling partner.   

It's a moral hypocrisy when the administrators knows the level of sexusl activity on their campus or students off campus for that matter.   So do the students.