If you want to turn off the camera when joining Zoom meeting, here is how you can do that. It is possible to enable or disable this setting using the Zoom app’s Settings panel, Local Group ...

3. Scroll down and click on "Accessibility." 4. Scroll down and click on "Zoom." 5. In the Zoom menu, turn Zoom to "On." You can now zoom in and out on your Apple TV, using your remote.