This line of discussion comes up often on HN, and it's really annoying. It's the equivalent of people bringing up nuclear warfare in geopolitics discussions.

Yes, people know we live in a globalized world, and yes, people know the US has ways to pressure Europe. The point of Europe's moves to host in Europe isn't to get immune from foreign influence ; it is to make interference a bit more costly and a bit less effective, in a way that doesn't cripple our society.