I think, its more about Probable Cause for an arrest and that facial recognition is considered a valid, non-biased trigger for that by the police. The emphasis

I think, its more about Probable Cause for an arrest and that facial recognition is considered a valid, non-biased trigger for that by the police. The emphasis is on the "non-biased" here. It basically triggered the chain of events where none of the investigators really double-checked. Its kinda similar to the Stop-and-Frisk issue.