"1908" was part of his previous username before he changed it to Jason Ross.
He is indeed a teacher, a genuinely good dude, and a knowledgable baseball fan. You can learn a lot from him. Heck, a lot of what he delves into is too much for my punch drunk brain to fully grasp.
I know he welcomed you to the forum when others were busting your balls a little too much, and in all the years I've read his posts, he's always been polite and respectful. Trust me on that. Perhaps there was a misunderstanding? I am confident that it was never his intention to offend you.