Although modern politics has changed things, rednecks have historically been anti authority and pro labor. Building a rural/urban alliance like Bill Clinton did would genuinely create an entirely new era of politics that would be friendly to liberal leftist ideologies.
People who are behind the curve are still making mud pies in the identity politics fad subculture of progressivism, and one of the things that made it a failed methodism was its relative permissiveness of classism.