I agree, but in fairness, engineering mistakes do happen all the time, in every organisation. A good engineering culture enables mistakes to be acknowledged and reviewed in an emotionally neutral manner, ideally leaning to a learning experience.

Being on the receiving end of an internet pile-on of "OMG you idiots everyone knows the first thing you do when setting up a flerble cluster is spend a week installing grazoono monitoring!" is not conducive towards building a good engineering culture.