Blameless PostMortems and a Just Culture
https://jaytaylor.com/notes/node/1498058768000.html
Method
none stated
Population
none stated
What it does not show
Presents no data: no incident counts, no before-and-after comparison, no measurement of whether the practice reduced repeat incidents or increased reporting. A foundational statement of rationale, importing its framework from safety science in aviation and healthcare rather than from any software study.
John Allspaw
Argues that letting engineers give a full account “without fear of punishment or retribution” surfaces the real mechanisms behind a failure rather than stopping at human error, framed using Dekker’s Just Culture and Hollnagel’s treatment of human error as an effect rather than a cause.
Tier IV: Practitioner essay making an argument and describing one company’s practice, with no measurement, comparison group or outcome data. Sourcing note: the canonical Etsy page returned 403; a full-text mirror was used and that substitution is disclosed here rather than hidden.