I think people all just hate each other more now. Generally stress makes little aggressions feel more extreme and the world is in fact falling apart at the seams.
Plus scientific studies have shown people with more bumper stickers were more violent and more likely to commit road rage seeing the car as an extension of themselves and interactions with the car as attacks on personal self and people are much more aware of "personal space" than before covid probably upping the sense of the car being an extension for more people.
Because she saw that she was gonna lose. Or thought it would fly under the radar to not piss off more but somehow convince others that she meant it?
The Democrats seemed to have thought the election a game that could be won with clever tactics and moves the whole time instead of meeting the challenge head on. Truly a shit show of poor party management.