The US spends more per capita on education than any other large country on earth. The only countries in the OECD that surpass the US in per capita education spending are Luxembourg, Norway, Austria, and Iceland. https://nces.ed.gov/programs/coe/indicator/cmd

So, the US is actually doing both: doing its best to brain-drain other developed countries while also spending more than anyone else on education. Is college the best place to train people to function better in teams? Or would Amazon be better served in funding lots of youth sports teams and recruiting from those?