The headline is somewhat misleading because its even worse
The cases were fully investigated and substantiated by the city’s police oversight agency, the Civilian Complaint Review Board, and sent to the NYPD for disciplinary action.
The cases were looked at and found valid and substaniated.
In every public facing job you always have nonsense complains from main-character-people that you can just dismiss. But these were not that. Not even partly. They were all rightful complains.