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?"
Any time somebody talks about politics through the lens of 'tribalism' or boiling ideology down to a 'my team their team' situation.
Surely there is a middle ground where the Adults In The Room that Make The Hard Decisions can Get Shit Done by doing only half of the atrocities for a marginally lower increased rate of profit.
God I fucking hate the muh "tribalism" bit. It's almost as exhausting as American conservatives saying
"RePubliC noT dEmoCraCy"
It's peak brainworms