I've noticed that people like more if the old woman wins. To be honest, that's fair and normal, but only in human's imagination and staged fights. The IRL fights statistics shows that in most of the cases, young women almost always win against old women. It's not even strange. It's simply natural. They are younger, stronger, faster, in a better shape and lot more often crazier too. So yes, the real thing is that generally a young woman can dominate an old woman in a fight (talking about an age difference of at least 27/8 years), because a fight where one is 30, and the other is 40, can't be named old vs young.