" average Trump voter couldn't even put a key in a door"
Yes, maybe the average, but averages don't tell the whole story, do they? You also need the deviations and maybe there's even fat tails. As an American, I can tell you that the average American could not find the UK on a blank map (Canada and Mexico, after that it's fuzzy), nor tell you the name of any prime minister except maybe Churchill. Nor would they even be curious; it's really that bad.
I voted for Trump in hopes of avoiding war with Russia. Why does Western Europe (Lithuanians, Swedes, French, Germans) feel the need to invade Russia every century or so? When did it ever work out well? But here we are again, missiles on the border. Imagine sitting across a table from someone who's pointing a gun at you; how would you feel?
Everyone talks about how horrible Trump is; why not talk about how wonderful his opponent is? She was the Monsanto candidate, after all (look up the paid-speeches list); do you like the taste of glyphosate?
Ever been in combat? Imagine carrying a 50-pound pack through the snows of Russia, with snipers and land mines to keep you alert. Or maybe you could stay at home and find out what radiation sickness feels like when the missiles reach your town. Wonder how the IT infrastructure will work with all that extra EM activity
Even the endless virtue-signaling on technical stories is nausea inducing here. If there's no God and no punishment, there's no good or evil. Don't take my word for it, ask Ivan Karamazov. So your virtue-signals only impress the people who already think like you, that is, your operation is idempotent.
Everyone else sees only hatred and disdain for those with less cognitive endowment than you and fewer opportunities for develop what they have a beneath you and shouldn't even have the vote, at least not if they're white (or Asian). And thus are we not persuaded, but rather that much more hardened in our convictions. And however disappointed we are with the Golden Golem (and we are, e.g., Syria), at least he's not nuking Russia yet.