I don't think the Mayan people have better long-term outcomes for their kids despite being helpful. My kids are prepping for college. I'll make sure they pick up life skills as they become able.
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Of course, the HN response to that is "my children will earn enough money after college that they can hire cleaners and order UberEats".
Or they won't, and necessity will be their teacher. The point is that it's not obvious whether teaching kids these skills early makes a serious long-term difference in outcomes.
I much prefer saving the money to use how I want than enjoy extra free time I likely would not use productively.