Neither do I really, other than the processing power is much better in the Apple TV than the basic one used by the TV. I use a TV tuner combined with an app called channels which gives me freeview, that is about the same as freeview directly on TV. b...
Apologies, I should have added "than the ones built in to the TV". Incidentally, that is the first time I've seen the use of proselytise in a comment on an internet forum.
It is also unwatchable on Apple TV4K which is one of the best streamers on the market. The picture quality on all the apps is significantly better than the built in apps and the interface is excellent. The Now app is clunky, the image is rubbish, and...