I audited 2,864 CI checks. Several had never run, and green never told me.

The author audited 2,864 CI checks across nine repos and found that 10% failed, but the failures were clustered around migrations and setup. The worst failure rates were in repos that were only in setup, with one repo at 57%. The author realized that relying solely on numbers can be misleading without context. The article serves as a warning about the dangers of relying solely on data without considering the underlying context.