I think understanding the details is still important. However, it moves toward the more central parts of the application, where the risk is higher and agentic workflows can’t be pushed as far. I think the author may benefit from specializing in those parts of the system where unattended agentic work is still too risky.
Wrote a post some time ago on how we'd be helped by segmenting and ranking the domains of our systems so we can be deliberate about where we stop short of full automation: https://ljtn.github.io/epiq/blog/cost-of-cognitive-debt.html