I have a piece of gaffers tape covering the camera on my laptops.
There's a photo out there of Mark Zuckerberg at his desk and HE has the camera and the microphones covered.
And, he was asked point blank “do you cover the camera on your computer? “And he said yes, he does.
Not that that dude is ever going to be doing anything even mildly interesting except for checking bank balances but… There you go.