Probably a Markov chain bot written by a Lisp enthusiast. No doubt the bot itself is currently learning Lisp and becoming self aware. Hopefully it will run out of parentheses before it takes over the world.
Has to be the first pro-Lisp troll in the history of the net :)
I think he's trying to caricature a certain sub-population.
I really want to know what's going on here. I can't see any sane explanation.
Perhaps botnet C&C?
Is this a bot in development? Comment history is awfully strange, always linking to http://news.ycombinator.com, suggesting it is a placeholder for later links.
... Maybe I just need my morning coffee... or internetdude313 is high as a kite, with a crush on lisp.