It's not as hard as you're implying; A locked device could support re-imaging by expunging all existing key material. In general, Apple's guarantees about anon

It's not as hard as you're implying; A locked device could support re-imaging by expunging all existing key material. In general, Apple's guarantees about anonymity and security all assume that there is no risk to Apple sitting in a trust position. This case demonstrates why that's a bad idea.