My practical answer would be, of course, right wing shit, period. It wouldn't stop them but might slow their spread.
My fun/funny/unserious answer would be commission an algorithm to monitor Reddit so I don't have to that keeps track of exceedingly popular passive-aggressive and smug ways to start and end sentences and takes the top percentiles of them and makes them the shockers of the week. It would make Lemmyverse liberals a lot less redundant as a side effect, too. 
"Umm, I'm sorry, honestly, but let's be honest here. It's almost as if..."
"Wow, vitriol much?"
Whenever someone says CCP... extra volts to the balls if they say "the international community", "regime" or any other geopolitical buzzwords they've pulled out their ass...