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.