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.



They have been up to pretty shady stuff as of lately, like blocking your TV if you don’t accept the new terms of the user agreement which mandates sending your data to 500 and some partners. As long as it never ever gets an internet connection, it should be fine.
That sounds fucked