One of the reason is that the frameworks that the book'd use are changing completely every 6-12 months. If you write a book that uses k8s, after 12-24 months, t

One of the reason is that the frameworks that the book'd use are changing completely every 6-12 months. If you write a book that uses k8s, after 12-24 months, the examples you use might not even run. Whereas if I pick up an Awk book that OP referred, it's likely I could still use it to learn, you can't really do the same with most of modern tech stack.