Oh to be clear, it’s all humor. At least mostly, I’m sure there are RMS level fanatics somewhere that truly believe some of the BS.
This is something as old as time. I’ve seen it prolifically on Reddit (though not in the Emacs community, they generally discourage memes), various Linux forums, old Usenet, various programming forums… I’m not trying to be evasive, but it’s hard to provide examples that aren’t specifically cherry picked, which wouldn’t benefit the conversation much.