The problem isn't that people don't understand that, the problem is that there are people who don't fit into the binary distinction

Skill matters. But you get enormous leverage by simply being longer limbed and larger.

Practice a bit and you'll be beating up 16 year old girls in no time. But even at their peak, women martial artists will struggle with mid-level male peers because they lack the raw physical features that move another body.

It's the difference between a person firing a pistol and a rifle. Marksmanship only gets you so far. Then you really just need a longer barrel.