I saw the same sort of effect a few years ago when I was running some IRC bots. In addition to the usual dice, 8ball, etc. one of them would respond to queries

I saw the same sort of effect a few years ago when I was running some IRC bots. In addition to the usual dice, 8ball, etc. one of them would respond to queries with a random aphorism from a list I put together from Googling "wise quotes" and such. It was a big hit, and kind of spooky to watch when people got responses that sounded relevant to their question. People joked that my perl script was being influenced by the spirits. In the end I concluded that you can read deep meaning into almost anything if you work hard enough.