So if you use iMessage and iCloud Photos then they will be scanned by Apple--> it is a lie. This is definitely not the case. Yes, with iCloud backup turned on

So if you use iMessage and iCloud Photos then they will be scanned by Apple--> it is a lie. This is definitely not the case. Yes, with iCloud backup turned on, messages can be accessed by Apple, that hasn't changed, has been the case for a decade. It is specifically written in the technical document that they are not scanning the iMessages photos in the cloud the same way that they would scan your iCloud photos.