This line of reasoning would include Hillary as well.
Publius Americanus

The article isn’t claiming that Trump is tearing the country apart by staying in the race until it’s officially over. It’s claiming that he is setting the stage for a scenario where he greets his increasingly likely defeat (once the election actually happens), not with concession as is traditional, but with denial and spurious accusations of treachery that will undermine the confidence in the basic mechanics of the democratic process in service of his own ego.