You couldn't play a downloaded title on a non-Apple Apple TV device or via AirPlay 2 tbf. In both scenarios the playback support is that the file just gives th

You couldn't play a downloaded title on a non-Apple Apple TV device or via AirPlay 2 tbf. In both scenarios the playback support is that the file just gives the credentials for the device with the Apple TV app or Airplay 2 to go and stream it from Apple's servers. No transfer of the video from a local download occurs.