QI doesn't apply only to police officers, indeed, the modern framing was established in a lawsuit against Presidential aides on a federal contracting matter. (And done in the course of denying their claim of absolute immunity.)
Were QI eliminated, you can bet the bulk of cases would be deep-pockets corporate interests suing individual government officials, not the kind of law enforcement issues that most of the media attention on QI focuses on.
See: https://www.latimes.com/archives/la-xpm-1991-08-13-mn-861-st...