I wonder if it may have actually been. Love or hate Trump, no one can deny that he was extremely polarizing, and now he's out of the White House and without his biggest platform.
We've already seen online misinformation, one of the biggest causes of polarization, drop significantly. This article also discussed how the Senate confirmation hearings for Biden's cabinet have been relatively civil:
https://www.politico.com/news/2021/01/19/republicans-take-on-bidens-cabinet-but-without-the-trumpian-fury-460482.
