In Canada, liberals willingly lose elections so that conservatives have to eat unpopularity in order to try and fix the damage that liberals do.
They may have decided to let Trump win the election so he has to eat the unpopularity that that the Democrats have built up in order to fix things.
No. US rats would NEVER throw an election. Ever. Winning is everything and when they do they do everything they can to weld the door shut. They lack the capacity to have the kind of nuanced thinking you suggest.