Too entry level? Even if every tool is entry level, tying them all together and actually making it work is hard. I'd say it's mid-to-late B.Sc. material.
Relevance? Is there really a huge conceptual difference between Jenkins and the other CI/CD frameworks? If not, if I were them I would just choose a random popular one, and it seems to me that's just what they did.
It’s kind of funny all those supposedly complicated technologies are actually pretty simple when you understand why you are using them. Docker is the best example, it’s hard to understand what is happening unless to understand the problem it’s solving.
Relevance? Is there really a huge conceptual difference between Jenkins and the other CI/CD frameworks? If not, if I were them I would just choose a random popular one, and it seems to me that's just what they did.