I agree lets look at this empirically. Or as close to it as we casually can. Lets take the top 3 results for Googling "productivity nation" (without quotes) where we can easily get a list to avoid cherrypicking.
US is 3rd ahead of most European countries. (I think this is a slightly more trustworthy number because its simpler and less prone to monkeybusiness like adding 'worklife' balance into the equation like other figures do.
So yes the empirical evidence seems to indicate that the US model is ahead of the EU in general. Its not the best but then again I never said that employment models is the be all end all of everything productivity.
Let's look at mobility, when I say upward mobility. I don't mean simply making do or even living adequately. I mean being ambitious and actually breaking out and being very successful and maintaining it. One straightforward way is to look at USD millionaires per capita.
" But the success of US tech companies is certainly notable."
One of the funniest statements ever following an assertion of empiricism.
The left's idea of "leading" is always amusing. The left in the socialist paradises in Europe will keep depending on US technology and posting on sites created by US innovation. At least until they depend maybe on China and then they won't even have the choice to practice evading their own country's speech laws.
The leftists in the US will just keep abusing the privileges they are afforded by those who keep them in luxury because that's just what they do. The system is good to them that way.
I'll now go "wage slave" so I can afford to travel to places that produce old buildings you visit.
Goofing off in your cubicle and then going off to a picket line to keep your UBI isn't real independence.
The future lies in something greater than the wageslave model of America or the dependency model of Europe.