Yup. I honestly don't know why hardware microphone/webcam kill switches aren't more common. I think ThinkPads still have the wi-fi kill switch. Ideally you have 2 switches, 1 for wi-fi and 1 for webcam/mic but I think it would still make sense to combine them into one since unless you use your microphone and webcam often when not on wi-fi (ex. Skype, Discord, Curse, etc.) there's probably no reason to leave those on when your wi-fi is off.