Least intrusive "Smart TV" (when disconnected from the internet) in the EU

I want to buy a new TV, and my parents need to use it too. 42-43" is the decided size. Unfortunately, buying anything not "smart" at that size is, quite arguably possible, quite hard, gets you dodgy brands (I can't get Sceptre in the EU), and costs more than a smart TV.

So the next best option: I know smart TV have various OSs (webOS, Tizen, Android...) with Android being the most popular choice in minor brands. I'd like to …

eu internet privacy smart smart tv tv