Good question. Why don't phones have physical switches on GPS and microphones? In this case, the RSA sig is still better, though. Imagine that anyone sitting b

Good question. Why don't phones have physical switches on GPS and microphones? In this case, the RSA sig is still better, though. Imagine that anyone sitting between the Intel plant and your local computer parts supplier could flip the switch. It's a weak argument, I admit. There should be both protections at the same time.