[stephentmcm]

This, unless you are going to open up every device around you and physically isolate all audio recording equipment, I fail to see how covering your webcam is much more than security theatre?

[ctrlalt_g]

It's not strictly about security. Some people like to close their curtains at night not because they think it makes them safer, but because that level of exhibitionism seems weird to them. It's the same principle.