What they oughta do is simply ban all romantic/sexual relationship between mids. Automatic 6000 series offense, regardless of who was senior. And if a female is going to claim she was "pressured", that's no excuse unless it was forcible rape. Either report it immediately, or suffer the same consequences as the more senior.
That'll end the double standard, and most of the problems.
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)