Earlier quoted context omitted.
Right, until that other country elects an orange demagogue that utilizes popular discontent to demonize you and cut off that flow of talent, regardless of the mutually assured harm. Societies are fickle, especially in times of war or increasing tensions. A well maintained local talent pool and industrial capacity subsidized against foreign economic forces are not. Relying on other nations is the exact opposite of nat…
The movement of labor and ideas also means that there is no shortage of educated people to speak out against said orange demagogue's terrible policies. And most peoples' postmortems of the election agree that the election was close enough that higher immigration (or even better distribution of existing immigrants) would likely have kept him out of office.
Only importing immigrants who have political views that agree with yours? A country has a particular culture and set of views. Why would we want to import people from countries with inferior living conditions and follow the way they do things? There's a reason they left.