No, anyone who promises things he cannot fulfill may have his trust in doubt. It doesn&#x27;t matter if the problem was internal or external.<p>What would you think if Apple went to announce next Wednesday that the new iPhone will have a sapphire screen, but on launch (after a bunch of people preoder the phone) they announce it&#x27;s normal glass because a provider couldn&#x27;t deliver.<p>Whose fault would that be, the provider&#x27;s? Apple&#x27;s? Both?