The backdrop to this is a story from 2023 in which Apple attempted to do this and faced backlash. This received significant coverage worldwide at the time.

https://www.wired.com/story/apple-photo-scanning-csam-commun...

Yeah, it's clear to see that they'd want to get in front of something like that happening again. My point though is that the pull quote I highlighted is a flimsy reassurance because "it all happens on the device" does not at all prevent "Apple knowing about it," yet the sentence is constructed in a way that (tricks?) people into thinking it would.

And since then, we've seen major companies pressured into instead ripping out E2E encryption from public and governmental child safety concerns.

But why would they want to be notified. Seems like this is the best case scenario for them. They’re taking action against the problem and at the same time cannot be approached to break their clients privacy. The only thing I can imagine is a government entity making them do it.