Ok, apparently I just don't use the camera very often on my Mac. It looks like an app using the camera triggers a discrete LED in the notch, but an app using on

Ok, apparently I just don't use the camera very often on my Mac. It looks like an app using the camera triggers a discrete LED in the notch, but an app using only the microphone triggers an indicator in the menu bar (which becomes a green dot of pixels in the corner of the screen when in a full-screen app where the menu bar is hidden).