Does it matter? This is a discussion forum, not a scientific journal. If you have something more informative to add, just do it.
I'm taking a moment to enjoy your username in the context of this back and forth.
Questioning questionable claims is as much discussion as anything else.
Generally here if you make a claim it's totally fair to be asked to substantiate it. I already provided the evidence that this individual was wrong, so I'm looking to see why they think otherwise. Maybe they'll teach me something new.