I am deeply suspicious of "blameless" post mortems. I agree that we should work in ways that minimize fear. We should, to some degree, celebrate the learning we glean from our failures. But I keep seeing "blameless" being construed as lying about why something happened. It's construed in such as way that anyone can hide from their misdeeds. People screw up, and we need to hold them accountable, and THEY need to hold…
I'm nearly wrapping up Sydney Dekker's book _Just Culture_, and Allspaw has a few pages in it. And preceding that is a section titled "blame-free is not accountability-free." Accountability under Dekker's restorative justice model means providing a complete record of what happened, so the justice system can focus on who was harmed and who needs to repair that harm. In some ways I think they can end up mirroring the t…
Certainly it is a tool for deterring people from doing serious crimes. But it is a terrible tool for performance management of someone you hope will perform better.