It's always the same argument, and it is true. The US retained an edge over the rest of the world through deregulating tech.
My issue with this is that it doesn't look like America's laissez-faire stance on this issues helped Americans much. Internet companies have gotten absolutely humongous and gave rise to a new class of techno-oligarchs that are now funding anti-democracy campaigns.
I feel like getting slightly less performant models is a fair price to pay for increased scrutiny over these powerful private actors.
The problem is that misaligned AI will eventually affect everyone worldwide. Even if us Americans cause the problem, it won't stay an American problem.
If Europe wants leverage, the best plan is to tell ASML to turn off the supply of chips.