> If we agree that Apple was right in 2016, it stands to reason that Apple cannot be compelled to modify its CSAM filter to capture arbitrary contents

The government or whoever will regularly add hashes to the list. Those hashes can be for anything and it’s not like Apple has any way to verify what they are for. Apple doesn’t really have oversight on what they’re doing if I understand correctly, all the trust is in whoever creates the list of hashes