I never understood the reason behind covering a camera on a laptop. I mean, what exactly are you afraid of? Someone can film you sitting in from of a screen? A microphone would be a more dangerous threat in this case, no?
People do Other Things™ in front of their laptops...
Imagine that you never did anything in a certain room of your house except sit quietly. Are you saying that you’re okay with anyone standing outside that room staring into it at anytime?