Earlier quoted context omitted.
Many European countries have extremely generous benefits for raising children, but it has been broadly ineffective at raising birth rates - with the possible exception of the Czech Republic. I agree though that governments are going to try, and they may find a way to do it. There was a good episode of The Weeds podcast, "Baby making vibes," which talked about this. Some of it is focused on the American political lens…
Today we are at over 7 Billion. Suppose the population falls to say, 2 Billion or something like that. Is that a big problem? Like, what is the optimal number of people that this planet can support, without wreaking havoc on other species that also live here? 2 Billion is still a very large number... This might sound cruel, but the less humans the better.
So without environmental pressure populations are going to grow