Oops: Learning from the incident you didn't have
learningfromincidents.io
learningfromincidents.io
Of course, you need to study both: not an XOR situation. When married, you collect data points, ask around (i.e. friends and family), ask others why their marriage fell apart; at the same time, you ask them what helps their relationships thrive. Understanding _both_ failures and successes are equally important.
I've more recently seen signs with "X Days Since a Near Miss Incident".
This "Log Of Surprise Incidents" is the next step in the evolution, and is a good one.
Seems like definitely a good idea to build up a history of "We did X and expected Y, but got Z instead. Why?"