https://www.nytimes.com/2023/01/25/opinion/rural-voters-republican-realignment.html
Urban-rural “apartheid” further reinforces ideological and affective polarization. The geographic separation of Republicans and Democrats makes partisan crosscutting experiences at work, in friendships, in community gatherings, at school or in local government — all key to reducing polarization — increasingly unlikely to occur.
Geographic barriers between Republicans and Democrats — of those holding traditional values and those choosing to reject or reinterpret those values — reinforce what scholars now call the calcification of difference. As conflict and hostility become embedded in the structure of where people live, the likelihood increases of seeing adversaries as less than fully human.