"What am I missing?"
That nationalism is the new state doctrin? Foreigners are inferior by definition, so they cannot really help with research anyway, all they want to do is steal secrets. If you think like that, then it makes sense.
To paraphrase the past, it’s “Amerikaner Physik”.
"Foreigners are inferior by definition" - but USA approach says exactly the opposite. Foreigners are capable, so it is better not to share secrets and technology with them.
Trump hates science anyway, so why not fire all scientists? Problem solved. /s
Every time I see something specific like this I wonder if there was something very similar and specific happening in Berlin ~90-93 years ago.
I've tried reviewing online archives of German books/newspapers but it's obviously very time consuming. The large LLM:s don't seem to index this area sufficiently.
God, maybe I could buy if it it came with significant work to repair US education and investment in a domestic science workforce, but unfortunately in the US, these nationalist waves have to also come with a strong air of anti-intellectualism.