I agree with all you said.
When I read from article:
> The fact that richer and better-educated parents are freely choosing to pour more of their valuable time into childcare makes raising children sound practically like a “luxury good,” akin to buying a Rolex watch or a fragile Fabergé egg.
It kind of reflected an unawareness to me. Unless one crosses the threshold of wealth where they can afford full-time 24/7 nanny, the richer parents spending more time in childcare seems obvious and non-counterintuitive. It is more likely jobs that pay well also provide flexible working hours and locations so these parents can really afford to spend more time in childcare. And this would much more prevalent category then families who could afford hired help for child care.
On the other hand poorer parent with much stringent job conditions would be mentally and physically exhausted to provide much childcare.
> I think some modern opinions of parenting come from a very individualistic, transactional and reciprocal mindset. ..
I think family unit like almost every other thing in modern economy has fallen victim to financialization of society.