Why would I want an immigrant smarter than me? If I have a 120 iq and he has a 130 iq then he is going to take my job. You really aren’t convincing me here.
You reasonably might not. We would though. Who prevails, the small-but-concentrated interest, or the vast-but-diffuse one? It's the central question of all public policy.
No they don’t. They want to work 40 hours a week, go on vacation twice a year, drive a couple of cars, have their wife stay home and raise the kids. All things possible 70 years ago but no longer possible.
Accountants and software developers do not in fact share a fate. I know it doesn't feel that way when you're commenting on HN, but there are whole lucrative professions that do not care at all what happens in ours.
The same decent at math, moderately ambitious people do well at both. Not 100% overlap but pretty large. If one side collapses the other side will get flooded.
Because without having the smartest people, the reigning superpower is totally, utterly, unequivocally fucked.
Power is a function of technological superiority. The moment you it stops attracting the smartest people, a country will fall behind on military and economic power.