Let’s imagine you got a new iPhone, turned on TouchID, and it broke.

Do you really know all the intricacies of how the TouchID sensor and embedded chip works? I’m guessing you don’t. But a skilled hardware hacker might, and perhaps could bypass the passcode entry with a hardware mod. I’m glad Apple is choosing to be safe than sorry

What about this: “tampered” touch id sensor is installed while the phone is off. Could even be before the phone is given to the user. User enables touchid using the tampered sensor which either sends a known fake fingerprint or records the users fingerprint. User now believes they have a phone secured by touchid but…

You can remove the glass of the 6 and 6S without disconnecting the battery. I think what this is really protecting is ApplePay and your CC mainly. Because the only way to use those cards is with a fingerprint.