Well, that's one way to look at it. Another would be that the reduction in the assault rate would be worth legalizing the sex trade. Criminal behavior? Until very recently, such behavior was a non-event as far as society was concerned. No, I'm not saying what you said, am I? Because we know what causes pregnancy and STD's is not enough to prevent either. Counting on abstinence to work as a remedy for anything has been ruled out. We have known that for some time, so can we act on it now?