So yes I sympathize that people didn't read the instructions, but I feel that that is partly out of habit that said instructions don't exist. We could work towards a better status quo where the configuration steps are simple, easy to follow, written out, and it's standard practice to just do them and they work.
The IT world seems to be an endless swamp of special cases and things breaking deep in the stack that require very specific, arcane skills from unwritten textbooks.