LG ads: https://www.theverge.com/tldr/2021/3/10/22323790/lg-oled-tv-...
Samsung connecting to open WiFi: https://forum.developer.samsung.com/t/if-you-choose-to-not-c...
Samsung TV ads (you’ll find more sources, but adweek seemed a pretty ironic choice): https://www.adweek.com/convergent-tv/samsung-ads-debuts-thre...
Samsung, LG, Sony & others spying on what you watch: https://www.nytimes.com/2018/07/23/smarter-living/how-to-sto...
Quite a lot to avoid ¯\_(ツ)_/¯
Or maybe skip straight to an LED projector, I hear those are nice.
Just glancing at Amazon, I see a 65-inch 4k digital signage display for under $1200 USD.
I wonder what would happen if you limited their bandwidth to a couple of kbps. Just enough to get the pings across but make any ad download excruciatingly slow. Or write some kind of DPI rule that drops packets to the internet above a certain size.
That's why I think experimenting with more advanced sabotage will pay off in the long run.