This also is exactly democracy was mostly felt to be an unsustainable system by the ancient philosophers. And in reading Plato's assessment of democracy, and its cycles, in "The Republic", he sounds like much more like a prophet than a philosopher.
Of course broadcasting your deranged random thoughts to the whole world in the middle of the night wasn’t really and option and listening to Nixon’s tapes the way they behaved in private was well.. quite something. I don’t even believe that Nixon was especially egregious either he just decided to record everything anyone said in his office due to whatever reasons.
And then you had career politicians like Johnson who might have been even more vulgar than Trump..
I, sadly, am not and he was a horror show.
> but the standards seem to have been much higher back in those days.
He was a service-cutting, union-busting, lunatic military hawk guided by Nancy's astrologer. Sure, he's not as overtly and in-your-face as bad as Trump (who could be?) but that doesn't preclude him being a horror show in and of himself.
Personally, I think the easiest theory is simply economic prosperity. Most American problems these days can be described in terms of relationship to wealth. changes in education take decades to reflect in aggregate effectiveness. If nothing changes, I think we'll be facing a similarly-violent time period for likely the rest of our lives, even if we aren't there yet.