Why is everyone covering up their laptop cameras?

"Yet not everyone is on the camera-covering bandwagon. Brian Pascal, a privacy expert who has worked for Stanford and Palantir Technologies says a cost-benefit analysis led him conclude he’d rather have a usable camera, which he can use to record his son. But he acknowledged such stickers are a way for people signal that they too worry about Big Brother.

“Security actions without threat modelling are just performative,” said Pascal."