From QZ.com (aka Quartz): Psychology explains how Trump won by making white men feel like victims.
I think it’s much simpler than that. I think enough people in the right places are tired of phony and corrupt politicians. Maybe tired of the Clintons, specifically.
The Quartz article is a good example of trying to fit the election results into how the left views the world.
As Arnold Kling says, leftist tend to think on the oppressor-oppressed spectrum. That is, you are either a victim (oppressed/little guy) or the victimizer (oppressor/big guy), or somewhere in between.