I've got a 3rd generation apple TV, which is EOL and apps are being slowly discontinued (no disney, youtube is going soon) However I can still watch Disney on

I've got a 3rd generation apple TV, which is EOL and apps are being slowly discontinued (no disney, youtube is going soon) However I can still watch Disney on it using airplay from my OG iphone SE (2016). As far as consumer electronics go, apple is well ahead of the pack.