Practical, annotated examples like this are incredible for people with trouble bridging the abstraction and concrete usage. I'm one such person, still being a junior developer and having my own issues.
This is probably the first time I ever see an actual explanation of not only the process, but how pieces connect, and what is going on. It's digestable for people trying to figure things out. Docker would have clicked for me years ago if something like this was available back then.
Now, if something akin to that were to ever be written about DevOps instead of the usual flood of buzzwords, it would be groundbreaking for people who weren't "born with the knowledge". It's easy to agree that the cycle inside that usual ∞ is interesting, but nothing is ever said in the lines of "For example, given you have a backend written in A, when you run X and Y it represents this part of the DevOps cycle. When you have Jenkins configured to get branch foo and run M and N, it represents this other part of the cycle".
