The quality debate about scientific merit aside, if the U.S. wants to remain "the best", then we need to incentivize the best scientists and researchers in other countries to come here and become U.S. citizens. A lot of famous physicists, mathematicians, and logicians have done this over the past 100 years. Unfortunately, the attractiveness of becoming a U.S. citizen is waning because (1) current U.S. policies on sci…
Don't forget (3) being tax compliant as a US citizen/perm resident. Since Obama made this worse with FACTA, Trump now with GILTI, etc., US citizenship and permanent residency has become extremely hostile to expats.