He isn't being sarcastic, that is his actual personality and his honest train of thought. I don't blame you for giving him the benefit of the doubt and assuming it's sarcasm though, I'd assume the same thing if I hadn't read 5 of his other posts already and come to a conclusion about his intelligence.
"Never argue with an idiot. They will only bring you down to their level and beat you with experience." ~ Moral of the last three pages
(Cue more anger, empty opinions, and baseless statements about the state of the sparring community from terrible sparrers with no experience.)