Also, the term "101" should make it obvious that this it not meant to serve as an all encompassing compendium. It's an introductory piece that outlines a basic structure, to get started thinking about commonalities in story telling.
It's also nothing new. If you scroll down to the comments, you'll find a mention of the book "The Hero with a Thousand Faces" by Joseph Campbell which is a go-to treaty on the subject - and it's from 1949! (I personally find it a bit of a slow read, but it does cover an impressive amount of classic narratives.)