The incident blame
An individual mistake is offered as the entire explanation. · PM Drills · 34 · 30 sec–2 min
The incident blame · 30 sec–2 min
Situation
A deployment breaks checkout.
The retrospective draft says, “The engineer forgot a configuration value. Everyone should be more careful.”
Think before scrolling
What would a useful retrospective investigate?
Identify the trigger, contributing conditions, detection, and prevention opportunities.
How a strong PM thinks
Explain how the system allowed the mistake through.
Ask why validation did not detect the missing value, why staging differed, how rollout increased exposure, and how quickly user impact was observed.
Choose concrete improvements with owners, such as configuration checks or a safe business-path smoke test. Avoid both personal blame and a vague list of every possible safeguard. Focus on preventing recurrence and reducing time to recovery.
Takeaway
“Be careful” does not change the system.
A retrospective should produce an evidence-based explanation and specific, prioritized prevention work.