Use when a recurring problem resists every fix — stop and hunt for the unrecognized root. Use when doing an honest post-mortem of a personal or team failure. Use when someone keeps fighting symptoms and nothing improves.

It shifts remediation from willpower or condemnation to diagnosis. If the real problem is that you can't see the root, the fix is recognition, not harder effort against the symptoms. It explains why problems survive for years while looking 'obvious' to outsiders — the person inside can't see the root, so it stays strong. It reframes error as blindness to be cured, not sin to be punished.