But. The FBI doesn't want the keys in this case. They not even want a build that works for on any phone but the one in question.
There is nothing of value for the FBI to leak.
This is the huge difference between this order (which I can live with) and blanket encryption backdoors using key escrow or other crap (which I'm absolutely vehemently against and willing to fight to the teeth)
"They not even want a build that works for on any phone but the one in question."
That is completely not true. There is no way to make such a thing that can only work on one particular phone. There will be some point at which the compromised firmware image checks to see if it's that device, at which point it would be possible to change that to whatever device you want.
"This is the huge difference between this order (which I can live with) and blanket encryption backdoors using key escrow or other crap (which I'm absolutely vehemently against and willing to fight to the teeth)"
No, there is absolutely no difference between those two.
If Apple hands the FBI a signed, compiled firmware image that say, checks the serial number of the phone, how does it make the jump to 'whatever device' they want? Why were Leos previously filing for multiple court orders for each older iPhone requiring a backdoored image?
You've missed the point: By doing this, they've shown that it's possible, and that they already have the tools. Meaning that next time, it's going to be almost impossible to say no.
Yes, there is. Firmware updates must be digitally signed using Apple's private key. That means no one except Apple can edit out the device check, or indeed modify the firmware in any way.
There is nothing of value for the FBI to leak.
This is the huge difference between this order (which I can live with) and blanket encryption backdoors using key escrow or other crap (which I'm absolutely vehemently against and willing to fight to the teeth)