the.com/blameless
the postmortem promise that the bug's fault, but nobody has to cry about it.
means an approach to reviewing failure that focuses on fixing systems and root causes instead of punishing the person who happened to be at the keyboard.
from borrowed from aviation and medicine safety culture in the mid-20th century, where investigators realized blaming the pilot or nurse just made everyone hide mistakes instead of preventing the next one; tech adopted it hard after etsy popularized blameless postmortems around 2012.
coined cultureetsy's engineering team popularized the term in software
not the same asno accountability, which it explicitly still requires
psychological safetypeople report errors faster when not punished
core beliefhumans err, systems should catch it anyway