I read most of it, not bothering with full paragraphs when I could see the idea at the beginning, and from what I saw it doesn’t get any better.
It points out that the only physical sport activity they women excel at is ultra marathons. it then goes on to day that flexibility when it comes to family roles was important for survival. And this I absolutely agree with and it is certainly the case that women can hunt too.
But the author just seemingly completely ignores the argument that women can still fill the role, even if there is some kind of specialization that makes one sex generally better at one task then the other. The fact that we are different almost certainly means this is the case.