So they do some research and then let some american companies that can't even imagine why you'd create safety regulations do the practical testing which kills American citizens instead of European ones when the inevitable mistakes happen.

Then they get access to the technology through partnerships. This sounds like a win-win for the EU companies

Indeed, it’s a win for the American economy too, when the IP is owned by American companies and the majority of profits go there.

Sounds like the Tesla and Mobileye partnership.