When surveillance fails the decision

Surveillance fails when the information it produces is not fit for the decision it is meant to support. The critical defects may be delay, selection, false signals, or a broken path from information to action rather than simple record inaccuracy. Weavidence Insights. Independent scholarly publication; not externally peer reviewed. AI-assisted drafting and editorial development were used. Pietro Corona remains responsible for the final published claims, source selection, interpretation and approval.