Yeah, I've been there. Halfway through typing a reply I usually realize, the most likely outcome of this is more bad faith arguments and more frustration.
I will sometimes just leave a purely factual reply or a link, and not respond further if they want to debate it or move the goalposts.
Was this article written by AI? Arnold Schwarzenegger wasn't in Demolition Man, and 1993 was not ten years before 2013.