The link has a ton of information.
Now, It is obvious that putting it completely offline is more safe. But, some people often use the TV’s to watch Netflix or something like that. Then they might forget that it is still connected to the internet when they are done watching.
Under Privacy Settings, there are options for Device Usage Data, Collect App and Over-the-Air Usage, and Interest-Based Ads. All are enabled by default, but you can disable them.



Obviously that would help to be completely offline. A side note-there are city security cameras right outside my house. It makes you wonder about tech that possibly could see through walls. You won’t be able to hide at all soon. There will be cameras everywhere you look. Especially in the cities.