That's definitely not the use case I would imagine for the Mute switch. The shared office situation should be handled by setting the phone into a "Vibrate only

That's definitely not the use case I would imagine for the Mute switch. The shared office situation should be handled by setting the phone into a "Vibrate only" mode. On "Mute" mode, my phone doesn't even vibrate, and that's exactly what I expect to happen.