- Faster, smoother interface due to a much faster CPU
 - Tight integration with Apple services and devices
 - You can use iPhone as a remote in a pinch
 - Availability of some games, including most Apple Arcade games
 - Wider selection of apps (NBC, ABC, Crunchyroll, Plex, CBS News, you name it)
 - Now, the usability and convenience of the remote is far better than you'll find on any TV remore
 - Cast audio to HomePod stereo pair via AirPlay
 - AirPlay screen mirroring has significantly less lag and significantly fewer compression artifacts on Apple TV versus a smart TV
 
good list. You forgot:
++ Privacy
- - Library tab doesn’t work on stand alone units but does on smart tvs