Americans obviously like this narrative for self-flattering reasons, but, well, no - initial move of Anglos to the US was centuries before Europe's civilizational zenith & the primary inflow since was hardly from the elite. Old Europe didn't sail to America, it died in the Somme.
The thing that you need to understand is that for hundreds of years, the people who were scrappy, innovative problem solvers…left
They came to America
The people left in Europe can’t install AC because they’re descendants of a people who couldn’t buy boat tickets