Bugs in Our Pockets: The Risks of Client-Side Scanning [pdf]

It is a function that works against you because you are the suspect. Your device just checks you.

This isn't a result of Apple doing stupid stuff again, but a result of extremely bad legislation from officials that aren't capable to efficiently protect people or in this case children against abuse.

Dupe / more discussion: https://news.ycombinator.com/item?id=28877303