I mainly just ask the hard questions that I know will require them to contradict themselves, then smile while they struggle. I'd rather give them something tough that they'll be chewing on long after I've left the scene than win a small, but short lived, battle.
Great method, try to get them on a Monday so it can germinate for six days before they go back to the cult for reinforcement of the delusion.
Was it a John Wayne movie, maybe True Grit, where Rooster Cogburn is drunk and the girl is reproaching him when Glen Campbell responds by saying something like " You can't banty words with a drunk, all you've done is best a fool"? Or am I conflating that observation from two movies. Regardless, it's the same sentiment.
I don't bother. there is no point in it. You won't convince them.
“Never argue with an idiot. They will drag you down to their level and beat you with experience.”
― Mark Twain
I stopped doing that. The conversation goes nowhere and becomes circular. Now I just tell offensive jokes to my Xian co-workers.