Some interesting points, and I slways love a good map, but when looking at the modern divides in America, to ignore the extremely sharp political contrast in the urban vs sub-urban/rural voting patterns, which is plain and obvious in all 11 of those “nations”, is simply foolish.
He dismisses that with the term “dominate culture” where in some cases that throws an entire state (region) into a designated “nation” that those on the “wrong team” simply endure.
A lot of people are doing what he said - moving. And I dare say it’s for work - there are states that have jobs to fill.
Texas. As one example. They want to WORK and there are jobs in Texas because the taxes, regulations and lawsuit abuse are business friendly. We could extrapolate that out further....belief in state’s rights and less government.