We've forgotten what politics is. We think it's just about being right and having our rightness rewarded and memorialized by history.
Less than 40% of the adult population has a college degree. Less than 45% of voters have college degrees. Yet we took for granted the ascendence of ideas that few non-college-educated voters have been able to digest and see the evidence for. That it happened at all is pretty amazing, yet our only response has been to whine and moan that it hasn't happened faster or more completely. We could see that a lot of people weren't really getting it, and as long as we thought they were a minority, our response was who cares, they're losing. If they aren't educating themselves and keeping up to date, they're simply bad people and if they're confused and angry, fuck 'em, they deserve it.
It is not necessarily wrong as a moral stance, but it's not a strategy for succeeding in a democracy where those people can tip the balance of an election. As we felt more and more entitled to our triumph and got more and more angry and whiny about the bad people holding us back, surprise surprise, those people decided we weren't the best party to represent them anymore.
If there's any lesson we should take from this, it's that if we hold people in contempt, we can't count on their votes.
There's nothing coherent behind the shift to Trump except mutual contempt. I hope we are getting to a point where we can talk about our own political failings without reflexively changing the subject to the voters' moral failings.
Also, we should consider that when our definition of a good person includes the rapid assimilation of new information and ideas, the ability to be a good person is not evenly distributed. We're only a tiny way towards building a world where that ideal isn't elitist and exclusionary. A lot of people were not raised with that definition of moral goodness. Acting in good faith, they did not equip themselves with the necessary skills, because they thought they could be good people without them. What we're demanding from them now is that they either exercise intellectual skills and habits they don't have, or they speak and believe in obedience to those of us who have them. I don't see a good way around it, but we shouldn't be surprised if they're unhappy about it.