That’s because Americans know they’re never going to get hired in STEM even with a PhD because the entire industry has been flooded by cheap foreign labor.
No American student is going to go into $100K of debt for an advanced degree that will only get him a job at Walmart.
Stop the rampant anti-American discrimination in hiring in STEM and there will be a lot more US kids in grad school.
It’s not because they’re not smart enough – it’s because they know they will be punished for taking that path.
Silicon Valley, BTW, was created by hippie college dropouts.