Read the article in emacs. Looks great as it’s plain text.

It's a txt file. If you don't know what that is, it's bit like a markdown file, but without the emojis and bullet points. If you can't consume a txt file, that's a failing on your part.

Well browsers can't format plaintext. Better question why is he serving plaintext documents on the web in the 21st century?

So text files are considered avant-garde now?