Even if they do find a spoiler, that won't be the end of it. They will just make new legislation up to cover it. And we will have a re run of the same arguments. Then eventually they will succeed.
And my conclusion for that is that I have every faith that the US won't change there licensing rules just to help out a very small number of pilots and aircraft in the EU. And the EU certainly won't take it up the bum and just say o well we tried but we are just going to have to admit defeat.
As one poster said some aprons your pax could get confused thinking you had landed in the states with the amount of N regs on it. They can't let a whole sector of avaition be regulated by a country thousands of miles away