Why did we let Teller, Fermi, Szilárd, Bohr, and those hundred of other foreign scientists work on the Manhattan Project? Why did Einstein have a job at Princeton? There were plenty of Americans who wanted those jobs.
Because we wanted the best.
My object is to welfare migration which pure national suicide.
They had UNIQUE skills. A good baseball player is a dime a dozen and there are plenty of American players that likely can step up and do the same. As earlier commenter noted, the Venezuelan is lots cheaper. Poor excuse.