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.
Privacy issues aside, there have been a lot of instances where a TV manufacturer or other smart device manufacturer loads a whole bunch of anti-features and obnoxious advertising into the interface permanently with a firmware update, with no ability to perform a factory reset to restore it to its original state. That on its own is enough to have convinced me never to connect any expensive device to the internet unless I buy it for that purpose.
I dont use any of the smart features, so unless it’s injecting ads into the HDMI inputs, it doesnt affect me
I’m talking about literally displaying ads in the TV’s UI, which you wind up seeing constantly even if you don’t use any smart features at all