The Democrats at the top understand that the whole thing was phony. Pelosi and others worked with the FBI to manufacture the whole thing and they know Trump wasn't staging a coup. But a lot of Democrat followers probably believe it. The media likes to push that story.
And from the Democrat perspective, Trump “got away with it”. True, he didn't take control of the government, but he's not in jail. The courts have failed to punish him.
I still think the Democrats might steal the election next week. Decent people will sit up and say “They stole it! This is a real coup!!” But from the Democrat (and media) perspective, it's a big shrug. So what? Based on Jan 6 2020 it appears that you can have a coup and no one goes to jail and the courts don't punish you. So what are you going to do?
I believe that sort of twisted mindset has been built up deliberately.