The difference is power Bill.   An powerful person feels entitled to abuse.  It could be they are an employer, it could be they are a 'start' with greater value, ect  

There is NO equivalence on the amount and severity of male abuse of power (both social and  physical), in comparison to women using sexual harrasment on men.

You're right, women can be bawdy.  I managed from 20-60 women for over 15 year and they can be rowdy.   It was a running joke for awhile that they wanted a Chippendale mural in our work area (which they knew I would do).   I met more than one woman in the factory who was openly sexual and had a couple that tried to use that on me as well.     It's just hard to intimidate a boss, or for that matter a male who is bigger and stronger.  

https://en.wikipedia.org/wiki/Sexual_assault_in_the_United_States_military.  Rape and harassment are about wide inequities of power.  Men are far more likely to assault.  That doesn't men that women can't or won't.