>> As more and more software eats more and more of the world, there is less and less need for anyone who is not coding or talking about the code.

This just doesn't match my experiences at all. So much of what we do to build software has nothing to do with the actual code. I've recently worked in both a very micro-services oriented organization and a magnificent monolith and they have very similar, non-code problems; the difference is were they exist in the software and in the organization.

If you're interested to see how your "operational management defines composition" idea can go horribly wrong, google what happened when Dell migrated their hierarchy to align with micro-services