Police add yet another massively inaccurate tool to their arsenal which they can easily put innocent people behind bars. In what way can this possibly put inno

Police add yet another massively inaccurate tool to their arsenal which they can easily put innocent people behind bars. In what way can this possibly put innocent people behind bars, never mind easily? The article specifically notes that any hits on the system are then checked by real police officers before any further action is taken, and from that point surely the same processes and controls will apply as if an officer thought they'd recognised a person of interest as part of their normal activity.