Female hyerpgamy is a central biological trait found in all woman. Essentially, its the trait of mating across and up dominance hierarchies. The only thing that can seriously count as a dominance hierarchy is money and status and not education.

This is backed up by various prestigious psychologists on this issue

https://www.youtube.com/shorts/1-4-99iGFcM

https://www.youtube.com/watch?v=_H3ZuXkltss

And you can see it in your everyday life.

So if a woman dates a poorer man, she is essentially going against nature