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xkcd #3126: Disclaimer
(imgs.xkcd.com)
Title text:
You say no human would reply to a forum thread about Tom Bombadil by writing and editing hundreds of words of text, complete with formatting, fancy punctuation, and two separate uses of the word 'delve'. Unfortunately for both of us, you are wrong.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3126/
This honestly isn't rare at all, and people who try to flaunt it as some kind of mark of erudition tend to come across as... well, not quite what you intended.
Rare in certain corners of the internet? No.
Rare in the general public? Yes, absolutely.