This guy should be shot. Then the men go about their business, having better things to think about like golf, stock prices and how the team is doing. Most women, however, take this sort of thing more seriously. If Jane Doe is being mishandled way over across town, somehow other women find out about it. It's known, talked on.
Women have antenna for abuse.
It's probably a survival mechanism and is certainly a cultural tradition. In our day, women tend to support even extreme laws where men are presumed guilty in every case, whether there is evidence or not. They hear it. They sense it. They know it.