I think that’s his own particular sense of humour coming through. I don’t mind such idiosyncrasies in his writing as I know to expect it but I would agree that

I think that’s his own particular sense of humour coming through. I don’t mind such idiosyncrasies in his writing as I know to expect it but I would agree that it’s not the best way of communicating to appeal to a mass audience (I’m upvoting your comment as it seems like you’re being unfairly downvoted). While RMS is a great thinker, he’s not the best spokesperson for the Free Software Foundation.