Resulting from otherwise positive changes doesn't mean low birth rates aren't a problem. It's a long term one, of course, but they have to be fixed at some poin

Resulting from otherwise positive changes doesn't mean low birth rates aren't a problem. It's a long term one, of course, but they have to be fixed at some point. If the entire world gets to the development level of South Korea with birth rates below 1, civilization will collapse until it regresses to a point that people start having >2 children again.