"It’s fair to Americans and that’s what counts."

Well, let's talk in some years how this worked out for you. If you don't want to anymore, we in europe are mostly happy to welcome smart talents.

> I think the world got used to us being patsies where we spend our money on R&D paying foreigners

I can tell you're not in the business of training / employing people.

The best ROI is getting someone who is already trained (read you didn't pay for their K-12, their parents' teaching/maternity/healthcare) and just deriving value from their labor.

Quite the opposite. The US got the best of other countries, those countries paid for their education but the US got the benefits. The braun drain was to the US

Nazi scientists were brought in _after_ WWII, not during it.