==Much, much, much, much more so than that of San Francisco vs rural Montana, yes. Is this really controversial?== Four instances of the word “much” with zero

==Much, much, much, much more so than that of San Francisco vs rural Montana, yes. Is this really controversial?== Four instances of the word “much” with zero instances of any evidence to back up the claim. Meanwhile, plenty of people move to Montana from California. In Italy, for example, Sicily is very different culturally from Turino. You haven’t proved that US differences are larger, you just claimed it had to be and moved on. ==That's unheard of in European countries.== Until you get to the section on Germany. A country with 16 states and strong Federalism built into their constitution. Belgium has 3 official languages. Your view seems pretty US-centric.