The argument rests on the comparison of a user's local device to a private residence. Google, Facebook and Microsoft do scanning in their cloud and it's fine be

The argument rests on the comparison of a user's local device to a private residence. Google, Facebook and Microsoft do scanning in their cloud and it's fine because it's in their servers. Apple's original suggestion was to do client-side scanning in the user's device and this is compared to a search of a residence.