[ClumsyPilot]

"I can only say the US is the closest sweet spot just by the results"

You are putting together a social hypothesis you like, and then trying to find evidence that fits.

There a number of problems with this: A - there are alternative theories that make just as much sence, so whay makes your hypothesis preffered?

B - Norway has higher productivity than US and has the highest amiunt of social suplort in the world, surely that disproves your theory?

https://time.com/4621185/worker-productivity-countries/

[lttlrck]

Considering it's size and how heterogeneous it is compared to rest of the top 5 the US seems to be remarkable.