It’s bad enough that there are people who tell lies. Some tell outrageous lies. A few repeatedly tell lies that everyone knows are lies. Even fewer tell outrageous lies, people know that they’re lies, but agree with the lie as if it were true.
With apologies to Mike Godwin, we have reached that point. Adolph Hitler, in his book Mein Kampf posited that a big lie was best because people would assume that no one “could have the impudence to distort the truth so infamously.”
I could point out parallel after parallel between the two men, but you’ve probably figured that out already. All I can say is that if you see a lie, don’t believe it, don’t repeat it, and don’t make it acceptable.