[roenxi]

> Around 12% of the (US) population actually pursues this, in their view, comfortable lifestyle. The rest consistently indicates either same or a larger number of desired children than they have:

This is basic economic revealed preferences. These people have all achieved the best living standard (and for the least effort) of anyone in the history of their genetic lineage measuring from before humans were a species.

They may say they want more children, but they are not willing to compromise away any of their comforts to actually have more children. Nothing is stopping them except their own preferences. Literally all their ancestors managed to have children in much worse conditions.