What I really think it is, is that during Obama's two terms, the Left finally felt that they had established themselves as the Orthodox Mainstream. This is in part why they were so willing to overlook her substantial flaws as a candidate.
Conservatism/Libertarianism/Economic Rightism is the counter-culture now. Aside from any genuine beliefs or revelations he may hold, I suspect that it has at least something with Kanye's support.