The book was written originally by a group of Amazon engineers and strives to be a resource on getting started with deep learning.
Even if you have no interest in developing models, you should be aware of how they work under the hood.
For the AI enthusiasts, it makes them more interesting. For the AI doomists, it makes them less scary.
The book being online and an easy to remember URI makes this a great reference book that you can access from any device with an internet connection. You could read the whole thing with cURL if you were feeling wacky. You can also clone the repo and host it locally if you want to “own” a copy.
They are releasing a physical book in English this week, so for you collectors out there can have something for your shelves.