Come now - you are setting yourself up for an easy rhetorical response with that assertion.
I’m not disagreeing that america gets more migrants.
But are you going to say that migrants are “average” when compared to the average Joe ?
On average immigrants from a country are the people who are capable enough or desperate enough to make the move to an entirely different culture and life. America used to attract some of the best talent out there.
Most people, in most countries, are not that driven.
And besides that, the different in net immigration numbers are not so wide, as to suggest that the EU is unattractive.
Your health outcomes alone are better in the EU.
I think we all agree that looking at GDP figures needs to be supplemented with wealth distribution data.