For reference, the actual message they added later, which should have been included at the same time as the performance limiting feature: "This iPhone has expe

For reference, the actual message they added later, which should have been included at the same time as the performance limiting feature: "This iPhone has experience an unexpected shutdown because the battery was unable to deliver the necessary peak power. Performance management has been applied to help prevent this from happening again. [Disable…]" Which still isn't perfect because "performance management" is such a weasely way of saying "reduced performance", but it's a lot better than nothing.