The article shows why similarity should never silently become identity or person risk.
Start with purpose
A method cannot be evaluated responsibly without the identity question, authority, population, consequences, and alternatives that define its use.
Quality is not optional
Capture suitability must be measured per modality, and missing or unusable biometrics must not be treated as adverse evidence.
Keep the human accountable
The interface should expose evidence and uncertainty while preserving review, explanation, appeal, and correction.