My read of "hypergamy is a real observed phenomenon" is that it is mostly a way of dismissing concerns when they pertain to women employees.
The Atlantic [1] spends some time with this study, and here are some takeaways. Attractiveness is measured from 0 to 1.
* The headline: People are "hypergamous" (what a terrible word), aiming about 0.25 above their own position
* Women are most attractive (0.62) when young, with sharp falloff; men are most attractive (0.53) in mid-life, with middling falloff
* "Men experience slightly lower reply rates when they write more positively worded messages."
* Different metropolitan areas have different dating patterns
Humans are weird.
[0] http://advances.sciencemag.org/content/4/8/eaap9815
[1] https://www.theatlantic.com/science/archive/2018/08/online-d...