1) physical kill switch for camera (as in, it breaks the power or data connection to it, physically) or at least a physical cover. 2) physical kill switch for the microphone These are very much not "nerd" concerns, either. I see a lot of non-techies with stickers over their laptop cameras. [EDIT] teachers in particular spread the "put a sticker over the camera" practice, in my experience, both before and during the p…
Lots of companies distribute their employees laptops with a little plastic slider to shutter the camera, so it's further than not-just-nerds - corporate IT decisionmakers are recognizing the need too.
(I'm basically agreeing and elaborating, not correcting you, since your point isn't that that's a great solution, but that it's more proof that more than just security geeks and computer nerds consider this a problem)