I'm afraid I had the same reaction. XiXiDu's post seems to take the "shotgun" approach of listing every thought that popped into XiXiDu's head, without applying much of a filter. It's exhausting to read. Or, as one person I know put it, "XiXiDu says a lot of random shit."
If a book exists in PDF on the web somewhere, I estimate a 90% of chance of finding it by at least one of the following four methods, which altogether take only a few minutes if you're practiced at it:
"All that your brain does when you ask it a question is hit "search" and return the first hit it finds" is saying roughly the same thing that Stanovich and other researchers have said about 'default to Type 1 processing', as explained recently in this post.
I think it may be time for Less Wrongers to begin to proactively, consciously ignore this troll. Hard.