Turn off the webcam using the terminal on a Mac.
Turn off the webcam using the terminal on a Mac.
This will completely disable it right even though laptop is powered on no way for power to get to the webcam.
You interpreted the question accurately; this piece offers instructions for disabling and reactivating. However, the user also mentioned that tape functions effectively.
It won't turn it off completely. The best way to fully disable it is to remove the connector from the motherboard or use a privacy shield over it. Taping won't work for disabling microphones.