You accuse them of being a socialist because they support Biden. Then you run through all the thought terminating cliches:

• Human nature
• Imagine you have 2 cows
• Totalitarianism/authoritarianism
• Socialists are just utopian idealists who haven't received their first paycheck/don't know how the real world works
• Explain the origin of money using the barter myth
• Climate change related thought terminating cliches that could literally fill the character limit 3 times over
• Call them a tankie
• Say that tankies always claim real communism has never been tried because they keep moving the goalposts
• Show them the reddit front page, /r/theleftcantmeme, etc whatever you can to make the brand of lib you're portraying look as uncool as possible

Then you show them your power level. Make them feel as frustrated as we feel when we speak with their cracker treatbrains. At the very least, from then on if you talk with that person ever again they'll have to think twice before they say some stupid thing you could easily dismiss as sounding like the character you cooked up.

Also, I guess this is just the standard-issue wrecker strategy that some trolls use against us here, ended up recreating that unintentionally