The far Left, which now controls the Democratic Party, beleives the Family structure is corrupt, part of the "Patriarchy".
It, like all other culture and morals built up over millenia of finding what works and what does not, are all to be destroyed so the Left can built their totalitarian society from the wreckage of what was.
Most people do not believe this insanity. But a significant percentage does. Our Universities have been taken over by them. Single women seem particularly susceptible.
It's already working. But not everyone is going along with their plan. The Democrats are not happy that the Hispanics in Florida and Texas are becoming Republicans. They actually believe in the American Dream.
So the Biden Administration decided to open our borders and flood our country with migrants from all over the world.