I don't understand the title. I expected it was a reference to https://en.wikipedia.org/wiki/A_Fan%27s_Notes https://en.wikipedia.org/wiki/A_Fan%27s_Notes, and

I don't understand the title. I expected it was a reference to https://en.wikipedia.org/wiki/A_Fan%27s_Notes https://en.wikipedia.org/wiki/A_Fan%27s_Notes, and either the blog author doesn't know about the book, or I'm too thick to see the connection. Honestly I suppose it could be either.