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A spy agency or secret police doing this to use the client-side scanning system as a surveillance/censorship system for political media would not care about that.

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Even if such systems were only used for their stated purpose of finding CSAM, because no one can audit the database of hashes there's no guarantee that non-CSAM images aren't in there.

Just being accused of having CSAM is a life ruining event. Even if someone is eventually cleared of charges their life is forever altered. The "We Got Him!!" headlines are front page news, retractions are filed in a basement filing cabinet with a sign that says "Beware of Leopard".

Which is why names and pictures of the accused should remain secret until the verdict, like it already happens in many other countries. But that's a separate topic.

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