Abodono

> Maybe it's greed in this case, but in my time at Amazon I saw many teams in "Keep Lights On" mode where one or two people with vague memories of how services are supposed to work try to keep them running

I worked for Amazon as well, and I'd say it is greed, not in that the behavior was purposely designed to be malicious, but in the way they don't properly fund developers to work through their tech depts, and spend proper time and effort to make sure all the systems work, have been thoroughly tested, have lots of test coverage, that the teams manages to keep subject matter expert around, etc.

Amazon doesn't because it's too expansive to have dev resources doing all that, so most projects get released using the bare minimum, and get maintained using the bare minimum.