Earlier quoted context omitted.
I have to wonder if there's a dip around the upper middle/lower upper who, because of price discrimination on college costs and such must still be conservative, that then reverses course for the mid to upper upper, who have wealth in excess of any reasonable pattern of consumption and certainly more than enough to raise many children. I know that my plan is two max at the moment strictly because total cost per head i…
People who have a lot of money have a lot more fun entertaining themselves without leaning on the emotional network of a family. People with less money rely on their family and community for entertainment. So I'd expect wealthy "jet setters" to not have many children.
Depending on how you define it, children are actually a much more reliable way to have a reasonably enduring legacy than businesses/foundations/accomplishments/fame/etc, though both approaches are ultimately ephemeral. You probably have to successfully make it at least three levels down an ancestor tree, rooted at yourself and with an average replacement rate around 2, in order for your own genetic legacy to have a high statistical likelihood of enduring through anything short of a species-level catastrophe.