Anthony wants to know what the advantage is of getting an Apple TV if all the modern TVs are so-called "smart" TVs? Rich says that apps are always better, and updated more on a dedicated device like the Apple TV. Smart TVs, on the other hand, rarely get updated, if ever. TV makers are in the TV business, not the app development business. So Apple TV has that advantage.
There are other options out there as well, including Roku, Google Chromecast, and Amazon FireTV. He should also check out Movies Anywhere. It merges all purchases so he could watch them all from the same spot.