The only difference is an accelerated rate of hypergamy because of dating applications. Added to that is an increased acceptance of women to service the same guy.
If you mean by “hypergamy” dating up, then yes most women would do that and the reason is in post #73
“Exactly. To provide for their children.”
Are there a number of women who would have sex with the same guy if he is successful. Sure there are some public examples. Is this common among women? I sincerely doubt it.