“Europe has not started this confrontation,” Ursula von der Leyen, the head of the European Union’s executive, said in a speech. “We do not necessarily want to retaliate but, if it is necessary, we have a strong plan to retaliate and we will use it.”
Looking at NVIDIA at least, a significant portion of that “American” IP is European PhD students developing IP for billionaire companies. I imagine the same happens elsewhere too.