> However many children lack one or more of those factors. [...] For them the intrinsic motivation is to play video games all day, or talk to their friends, or smoke weed.

We grossly overestimate the amount of kids who fall into this group, maybe because we're priviledged enough exclude ourselves from it.

> I think the school system is fairly good at forcing all children to learn at least a little about all subjects.

Dude, ca. 20% of people in the US are either illiterate or functionally illiterate. How is that good?[1]

Unless, given your previous point, they're too busy playing computer games or getting high on Satan's lettuce?

Pardon the sarcasm, but this is an extremely dangerous mindset as it distracts us from the actual problem.

Edit: source

[1] https://www.libraryjournal.com/?detailStory=How-Serious-Is-A...