The diagnostician
What else could it be?
The obvious answer is often the wrong one. Crift works the differential — the alternatives you'd forget to consider — and drives toward the cause beneath the symptom, not just the symptom itself.
Rule it out before you rule it in. Crift works the differential — why it failed, not just that it did, the cause beneath the symptom.
Symptom → differential → root cause.
TechnologicalSociological
What it surfaces
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The cause you'd have ruled out too early.
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The second condition hiding behind the obvious one.
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Why it failed — not merely that it did.