Wow, it's rare to have American hubris summed up in one article so succinctly. The total absence of self-awareness almost convinced me that this was satire.
Yes, this sort of solipsism thrives on the coasts where people are So Very Sure how Very Smart and Very Correct they are. Not that all US coastal people and cultures are like that, far from it, but the level of population and prosperity that breeds the resulting insularity comes along with it.
Us flyovers would span the gamut more from "Wow It's so clean" to people who might just be massive neo-nazis..