I will believe them if they put their money where their mouth is: as a clause to iOS user agreement saying that if they ever use they ever use this functionality for anything other than CSAM or on anything other than iCloud photos, ever person who was subjected to this scan will be paid 100 million dollars by Apple. I will believe them if they put this clause in, and I know when they have changed their plans when they remove the clause. No more pinky swears, let's add some stakes for breaking the promise.