This is CLEARLY a PR piece, written by someone with an interest in promoting something. Even if it is just himself and his reputation.
If my son used this source in his university senior thesis, his professors would have rejected it. Laughed first, and then rejected it.
Post something authoritative or nothing at all.
I see nothing flippant about my response, but I see plenty of combativeness in your comments. Not just on this thread but all over, wherever you have posted.
What’s the point of coming to a forum to be combative? I’ve never understood that.