Funnily enough, I think the underlying key to longevity of the message is simply the art of the meme. The very message "This is not a place of honor .." Has become endemic in many online cultures, and I've talked to others in academic fields about it many times.

The challenge of fulfilling the nerd snipe problem of coming up with a message that can last 10k years may end up being the way in which this idea sticks around.