They could do it, and they could certainly nail those who get caught doing it, but banning it definitely won't stop it from happening. How else would a WUBA find a husband????
(ducking in case any WUBAs are reading this)
Oh, I agree. It would be extremely unpopular among some WUBAs, and I'm sure there are some womyn's advocates who claim that it infringes on "choice". In fact, I think its been discussed before and objected to on precisely those grounds. But it sure as hell would cut down on the frat/harassment issues.