I can call them anything, its just a message board, and I think some are opinionated to the degree that it blinds them to everything else, but then, it's just my opinion. you may disgree.
But actually he didn't suggest anything, he stated it as a fact, which you may think shows a level of opinionation (Is that a word? lol) which refuses to accept that he could possibly be wrong. But then again, you may not think that. It depends on your opinion.