Male hypergamy and polygyny has been practiced by many cultures historically. They had many problems, but low birth rates wasn’t among them. I don’t think dating apps are a sufficient causal explanation alone for low birth rates
Could you? Are you part of the 1%?
Historically they were compelled
However, I'm surprised nobody has bought up porn yet (and other equally addicting digital habits).
* Feminism,
* Decline of religion,
* Rise of state and law, particularly around male responsibilities towards children,
* Effective contraception,
* Dating apps.
Take all of this together and we're basically reverting back to our natural polygamy, but without all the pregnancies.