As someone who has spent many years of my life living outside "America and the West": this is not remotely true.
We’ve seen this countless times. However upset people are about Medicare and public welfare, they still want to get some support when they need.
It is a factor for instability in the long term, but it is an unavoidable cost of having free speech. Ideally, it would be fought against with a good public education system.
Jury Duty, but a couple Weeks a Year of Camping in the Wilderness with your Family.
Other differences, such as a belief in democracy, free speech, freedom of religion, etc. flow from this.
Also, what is the argument for being able to collapse culture and state together, such that the state can/will manifest this trans-historic character of a group of people? Or rather, if we grant that relation either way, does the argument have anything to say about any of the tumultuous events of politics and culture in Russia or China in the 20th century? Are they just hiccups along the overall trend? Such that the CCP isn't an authoritarian regime from without which harms china now, but an inevitable symptom of some trans-historic Chinese culture?
Well, exactly - that explains a lot of the current political/cultural fragmentation of the U.S. population. Although you can definitely argue that though it is a "short" story in comparison, the founding of the U.S. as a revolution to gain independence from the British Crown to found a state by the people, for the people, with its own constitution and Bill of Rights is a "big" story nonetheless.
As to your other questions - good questions - one could write a whole book (or several) addressing them.