For me I think it has to be Russiagate. It’s just become a catch all for centrist libs to refuse to believe anything bad about their team, make up crazy conspiracies about anyone to their left or right, dismiss every contradiction of capitalism as “Russian interference”. It’s maddening. At least the RWNJ conspiracies like Q and the Alex Jones shit are usually pretty funny because of how ridiculous they are, russiagate doesn’t even have that going for it.
What are some other contenders?
The beans was peak shitlibbery. "Yes, let's worry about the CEO saying '#OrangeManGood' instead of '#OrangeManBad' when people are being evicted."
Gravel had a fire tweet about this sort of shit that he/they deleted sadly because it triggered the libs hard.