https://www.channelnews.com.au/lg-admit-they-are-raking-in-m…
It's largely about Aus market but I doubt it'll be any different for NZ except they don't yet sell appliances direct to consumers in NZ. They're earning a huge amount from selling data.
https://www.channelnews.com.au/lg-confirms-losses-despite-bi…
The Companies webOS-based advertising and content business generated $1.2 billion in annual revenues with most owners of an LG TV not realising that information on the TV shows they watch, which news services they favour are being sold to third parties including political parties.
https://www.channelnews.com.au/tech-media-lower-ratings-on-l…
Based on what was doing the rounds some years ago, I had thought that all (or almost all) SmartTVs collected data like that, and sent it 'home' for collation and on-sale?
There might be manufacturers that explicitly state they don't, but I haven't personally noticed any that do.