> Migration since the 60's has become a giant IQ-sorting system and that's having huge consequences on all sides. And this never seems to get discussed, oddly.

> Migration since the 60's has become a giant IQ-sorting system and that's having huge consequences on all sides. And this never seems to get discussed, oddly. It's discussed a lot. It's where the term "brain drain" comes from. Hundreds of studies have been done on the subject, many of which are linked on the wikipedia page for "human capital flight," which is the academic term for what you're talking about: https://en.wikipedia.org/wiki/Human_capital_flight https://en.wikipedia.org/wiki/Human_capital_flight