The Eastern California flips. Inyo in particular was just completely random - 1.8 people a square mile, more than 75% non-Hispanic white and voted for Trump by 13 percent in 2016, and more than by what Romney won by. It suddenly and narrowly flipping blue with no demographic explanation or any clear prior trends even as CA swung marginally rightward was just strange.
Tarrant County TX flipping was a surprise
Well it was an urban county trending leftward with plenty of potential for Democrats. The demographics and trends rendered it not overly surprising.
Rich woke white people voting from their vacation homes?