I doubt that's the goal (or at least if it is, it is shortsighted). There's still a benefit (to the police) of being able to say "Here's 100,000 images, of whic

I doubt that's the goal (or at least if it is, it is shortsighted). There's still a benefit (to the police) of being able to say "Here's 100,000 images, of which we strongly suspect some percentage are abusive. Show me those images which are _probably_ illegal", even if just in time spent.