My TVs are on the IoT network so that I can control them from Home Assistant, but they're blocked from accessing the internet.
DNS lookups are redirected or blocked (53 redirected to my local DNS resolver, 853 blocked), and DoH is blocked as best effort though it's hard to block HTTP DNS traffic, which again is why the devices are blocked in the firewall.
All streaming is done via AppleTV, which is a platform I trust infinitely more than LG/Samsung/whatever.
DNS lookups are redirected or blocked (53 redirected to my local DNS resolver, 853 blocked), and DoH is blocked as best effort though it's hard to block HTTP DNS traffic, which again is why the devices are blocked in the firewall.
All streaming is done via AppleTV, which is a platform I trust infinitely more than LG/Samsung/whatever.