SRE Best Practices Practical By Samson Tanimawo, PhD Published Jul 19, 2026 4 min read

Blameless But Not Toothless: Postmortems That Drive Change

Blameless does not mean consequence-free. The framework that protects individuals while still producing accountable action items.

Split blame from accountability

Blameless toward individuals: the postmortem does not say 'Alice caused this.'

Accountable toward systems: the postmortem says 'this happened because the deploy pipeline lacks a canary stage.'

Same incident, different framing. The first invites defensiveness; the second invites change.

Action items with teeth

Each contributing factor gets an action item with an owner and a deadline. Blameless does not mean 'nobody owns the fix.'

Owners are individuals or teams, not 'the company.' Specificity drives delivery.

Deadlines are tracked. A postmortem with overdue action items is a postmortem that did not work.

Cadence keeps it honest

30-day review: of the action items from a month ago, what shipped?

Trends over time: are postmortems leading to change, or are they ceremony?

Public visibility: leadership sees the trend. The pressure is healthy when the framing is fair.