Also, the article is about animes as well. Makato Shinkai’s She and Her Cat is an anime, not a book, for example. It talks a lot about books, but it isn't only about books. I thought that was obvious.

> No, not all start as light novels

Many are though, many of the animes that came out for a few years I had already read the LN for. That so many novels becomes animes is likely a big reason why there are so many novels being written along those styles.