Almost every time I read someone's insights who works in an environment with IaaS buy-in, my takeaway is the same: oh boy, what an alphabet soup.

The initial promise of "we'll take care of this for you, no in-house knowledge needed" has not materialized. For any non-trivial use case, all you do is replace transferrable, tailored knowledge with vendor-specific voodoo.

People who are serious about selling software-based services should do their own infrastructure.