system
A chat on subreddit /r/NoStupidQuestions
human
The whole point is it doesn't require you to go hook up your laptop or any other device. All the services and apps are available without any fuss
gpt
This sounds great until you realize that the smart part of the TV will become obsolete much sooner than the TV itself. 

I had to start using Rokus on my smart TVs since the smart features of the TVs are now too slow to use.