>>13684583 lb
I don't know, but suppose there could be some reason Q couldn't, or currently wouldn't, use his tripcode.
I just try to evaluate all information based on the actual content, and what I can discern of the intent behind it.
So far, it seems clear to me that the mystery posts are at least worth keeping in mind to see if they end up proving useful. But the posts from the board's self-proclaimed authority figure try to silence any open debate, and attack those who disagree with his stance or his power to decide for everyone else what to think.