You strike me as an eloquent writer and I enjoy reading your posts, and because your talents are better suited in more productive discussions, I advise you to stop responding to the forum's biggest troll. You'll never change his mind about anything, and that's why he's a troll. Instead, he feeds on your responses -- his main dysfunction being that he mistakes bad attention for good. If you don't respond to him, he withers and slinks away, having to reinvent himself with a new account later on just to trick people into reading his asinine posts.
Frankly nobody understands why he hasn't been banned yet as he contributes nothing worthwhile to the forum and is obviously here just to troll, but meanwhile there's no point in expending energy on him. It took me a while to stop as well because of his continuous attacks me. Only after I stopped caring did I realize that nobody else cares about what he has to say either.