The elite again

Hanna Rosin comments on some statistics that show that

An intact happy marriage that produces well-behaved children, it turns out, is becoming a luxury of the elites.

The conclusion seems to be that (at some level) being affluent helps people getting their act together (apparently "well-behaved" means "using contraception"). A functional family as a bourgeois privilege: one more item in a catalog of possessions. Richer people can afford it, the poor cannot.