Do you want a fascist dicatorship? 'Cause letting assholes be dangerously wrong without pushback is how you get a fascist dictatorship.
I have MAGA family members and it’s not just 1+1=5. It’s a word-vomit tsunami of absolute bullshit. And if you convince them that point 1/367 is not factual, they won’t accept that it disqualifies anything else (including the idea that he never tells lies), and you will have to re-prove that point 1/367 is not factual a few weeks later. It’s exhausting, and I’m fairly sure that is the point (and I’m fairly sure this is also an actual Russian propaganda technique called a “firehose of falsehoods”, regardless of whether it’s being used in that context).
That’s when it’s time to shame, ridicule, ostracize, and exile. People like that do not deserve the benefits of living in a society.