

Yes, it seems obvious that the populace - apart from the Musks and Trumps of the world - see little possibility for a better life for their hypothetical children than they had, having experienced the ongoing crises of the 21st century, and therefore make the choice to not bring them into the world.

Interesting, I looked it up and it seems to have come from a perfect storm of winter wheat crops being damaged by frost events along with persistent drought conditions especially in prairie states like NE and KS.
Anecdotally it seems that the grassland areas of interior USA are getting more frequent and persistent droughts. The early 2020s were bone dry every summer.