The way Gruber phrased his post makes me feel like he has been told some facts about this and not merely speculating. It could be the case that the physical bu

The way Gruber phrased his post makes me feel like he has been told some facts about this and not merely speculating. It could be the case that the physical button is trapped directly by the secure enclave system and the goal is not to prevent an app from accidentally fooling you in the UI, but to prevent any iOS software to silently ask the secure enclave to authenticate something without a physical confirmation directly from the user.