As anybody who has gone through a particularly nasty breakup knows, disdain cultivated in the aftermath of a divide quickly exceeds the original grievance. You lose somebody. You blame them. Soon, the blame is reason enough to keep them at a distance, the excuse to drive them even further away.
Finding comfort in the notion that their former allies were disdainful, hapless rubes, smug liberals created a culture animated by that contempt. The rubes noticed and replied in kind. The result is a self-fulfilling prophecy.
