Either we accept some amount of vulnerability at the minimum and deal in likelihoods rather than certainties, or we simply do not use modern communication devices whatsoever. Given we're here on HN, we all have clearly chosen the former, so the question becomes: "is it likely that Apple have violated individual users' privacy in this manner?", to which I think the answer is "no" because (a) it's never been necessary before given the availability of alternate methods, (b) we have absolutely no evidence to suggest otherwise, and (c) we do have evidence of a history of Apple being at least somewhat reluctant to cooperate with the federal government of the US when it comes to individuals' privacy, to the extent that they are able (e.g., the San Bernardino case). So although it is true that we cannot be certain of our privacy, it seems very likely that Apple's efforts to improve user privacy are not disingenuous.
Well that's how some would want them to work, but around here to be heard you must back with evidence.