Earlier quoted context omitted.
I think they, like even some on the left, have reasoned that Trump will only be there for four years. That's it. He's gone, or in jail. That's four years they know who their opponent will be and the Democratic Party can prepare. Thinking a long game, it is possible the left has given up and said fine, let's get it over with.
I haven't met a single person on the left with the mindset you described. I'm not saying they don't exist, I just can't imagine it represents more than a fraction of a percent of the left. It seems like more on the left believe that if Trump is elected, we are unlikely to see another fair election.
I used to fear for what this would mean for Europe (me), but I think it will be incompetence top to bottom. He had a decent crew last time around, but by the end it was Giuliani, MyPillow and the big dick toilets guy.