The theory is that Trump isn't actually evil or even authoritarian, just cognitively impaired to a more severe degree than most people seem to suspect. He can still talk, but his speech is just reflexive patter by a life-long BS artist. It's automatic babble—and I mean this literally, not as a figure of speech.
People who start losing their hearing sometimes become garrulous. The more they are the ones talking, the less they have to suffer the unpleasant experience of not knowing what the conversation is about. In the same way, my theory goes, a man who felt his ability to comprehend anything slipping away, years ago, started hogging attention, and craving authority, to avoid the unpleasant experience of having to understand anyone else, or convince anyone else. By now, I guess, the habits are firmly ingrained.
The biggest problem I see with this theory is that you would think that Trump's political opponents could have punctured him easily, if he is a mental small child with adult mannerisms. Trump himself being nearly mindless can account for his own acts and statements, but it seems as though his opponents all have to be dim as well, and it becomes harder to believe that that many people are all so impaired. So maybe my theory is wrong, and Trump is shrewd after all, at least in some things.
But it's still weird how stupid Trump's opponents all seem to have been, even if he's not so stupid. The ineptness of everyone else on the American political scene is a problem for any theory. They have to be incompetent enough, no matter what, that it's not such a stretch to imagine them being incompetent enough to let a virtually mindless person beat them. So I feel that my theory's worth stating, in spite of this problem.
I also do have one hypothesis to explain why everyone else seems to have been paralysed by Trump: Dunning-Kruger. It has become so hard to understand what a modern government should do that only a very incompetent person can project confidence.
In The Second Coming, W.B. Yeats wrote:The best lack all conviction, while the worst
Are full of passionate intensity.