I don't believe that that link supports the general assertion you're making about there being attorney client privilege the entire time. In this case, if the ab

I don't believe that that link supports the general assertion you're making about there being attorney client privilege the entire time. In this case, if the above lawyer receives a message that is unsolicited, Apple should have no expectation of that privilege/privacy of the communications without some prior agreement. Apple has no way to know that the account is even directly run by the lawyer themself or an aide.