The option to turn on aerial screensavers is available in the settings app. There are a lot of things to like ...

Go to Settings on Apple TV. Go to Screen Saver, and then Portraits . When selecting People, the user can choose to display all people, or only people marked as favorites in Apple Photos. In Update ...

and existing Aerial screensavers can be changed with a swipe. tvOS 12 also shows where each screensaver was shot with a tap of the Siri Remote.