>1. Smart STEM people are more inclined to having a family. Constant uncertainty is not conducive to family. That will cause a lot of smart people to be sea tur

>1. Smart STEM people are more inclined to having a family. Constant uncertainty is not conducive to family. That will cause a lot of smart people to be sea turtles. Also, even for the well-compensated, it's financially very difficult to afford the 'ol house & car dream in what I would expect are top locations for immigrants (SF bay area, New York, Boston, Seattle, LA, ...). Certain parts of China also have absurdly expensive real estate (Shanghai, Beijing), but rent tends to be much more affordable and if you have family nearby the whole housing situation becomes much easier.