Of course there are other ways to prevent apps from using the camera on a Mac. So for example, apps like FaceTime and Photo Booth will not appear in the list to control or disable camera access for.
All Apple apps and bundled system apps will not show up in that camera access control list on the Mac. Note this only applies to third party apps. This article will show you how to directly control which apps can access the camera on a Mac, and how to block apps from using the camera, as well as the demonstrate how to grant apps access to the camera on the computer. Being able to manually control which apps access the camera on a Mac can be helpful for privacy and security purposes, and perhaps it may even inspire you to remove the tape over the Mac camera that so many techy computer users seem to rely on for some privacy. Want to prevent a Mac app from using the camera on your computer? MacOS makes it easy to manually control and manage which apps can access the front-facing camera on a Mac.