If it isn't capable of preventing screen replacements, what security benefits did Apple apple want to achieve with this misfeature?
Securing analogue components via serialization is mostly a pipe-dream and apple knows it. This is just another power grab disguised as a security feature.
It’s not meant to prevent screen replacements, that’s the whole point. It’s meant to verify the chain of trust of the hardware involved in the security function of the device. If you move that from one device to another, you haven’t broken the chain.
Securing analogue components via serialization is mostly a pipe-dream and apple knows it. This is just another power grab disguised as a security feature.