Designing to Doubt "All Green"
■ "Measured" Is Not "Working"
At 95% uptime and 0.3% errors, Hakobukun was still called "somehow scary." Numbers prove a thing isn't broken — not that it's accepted.
■ "Vaguely Uncomfortable" Is Just Unmeasured
Dissatisfaction that never reaches the logs gets treated, in the data, as nonexistent. The moment Oshiro began collecting "uneasy moments" on a whiteboard, 30 invisible ones took shape.
■ Conclusion: Design the Mechanism, Not the Metric
Shiraishi's "this is more valuable than the logs" says it all. There are countless techniques for polishing KPIs — but a vessel to gather dissatisfaction that isn't yet a number is what turns a robot from an "unbroken machine" into a "trusted presence."
