Earlier quoted context omitted.
It does depend on the managed services you're using. Most SaaS companies do offer the "conventional" services managed; if all you need is a database, a cache and some sort of place to dump a docker container for your backend/frontend and not deal with the wires of manually setting up, connecting and securing all of it against the outside world, their offer makes sense. (And like... this describes the majority of inte…
Have you seen or been involved with overseeing the architecture of a large enterprise or state government? There is such a morass of built up complexity it takes years to complete a migration and many just give up and install a direct connect to their cloud provider and claim they always meant to be hybrid.
The reality though is that most tech stacks aren't that complicated. Not every company is a venture capital "go big or go bust, we change the entire industry" darling (nor are they necessarily looking to grow that way, especially outside the SV bubble) or a government with 2000 different contracts and enough yellow tape + bureaucracy around those contracts that signing a new contract is just easier than possibly extending an existing one with new features.
For the rest of those tech stacks (which are definitely "enterprise", simply by definition, since they get used in companies and are bespoke enough to be their own tools), it's rare to see a stack more complex than the one I mentioned (backend, cache, db) unless a technical admin decided to play runaway with Azure/Google/Amazon because it's shiny and exciting.