It's very impressive in its way.
Although the winners won't get to enjoy their victory for long, because climate change is going to roll right over everything over the next few decades.
The reality is "left wing" parties have completely abandoned their traditional working class demographic - both through encouraging manufacturing to be offshored and allowing in mass unskilled labor to compete with them. During the Bush era I thought working class folks were voting against their self interest when they voted Republican. That's not the case anymore.
It's convenient to try to play this off as some kind of foreign influence thing, but the Democrats did this to themselves.
So yes, the democrat party has had many failings over the past decade if not more, but that doesn't make this a binary choice between Trumpian policies and democrat failings.
The aristocrats are narcissistic, shockingly racist, and often rather stupid - good at tactics like manipulating elections and news cycles, but contemptuous of most of the population, and clueless about how to build an economy based on growth and invention instead of rent-seeking and extraction.
It's partly effective because they system wasn't really designed but evolved out of a lot of bloody power battles, going back to at least 1215 https://en.wikipedia.org/wiki/Magna_Carta
I used to think it was silly but if you look at rival European powers they had Russia with Stalin, Hitler in Germany, Napoleon in France, Franco in Spain, Mussolini in Italy etc. The UK is one of the very few which avoided having a dictator.
[Edit - I was kind of talking about the wrong thing - avoiding dictators rather than Trump types]