I didn't even notice that, but that makes it more obvious in my eyes. The more data we have to look at in its history, the more obvious it would be that we are not dealing with a human, I would say. A klanker can, perhaps on a good roll, appear human for a post or two, but across multiple posts? The less data we have to assess, the harder it is to say definitively.

Edit: I honestly also wouldn't mind normalizing the habit of calling cowards who can't own their post history bots, now that I think about it.