Sadly, that assumes the TV will behave and not connect to open networks, or use companies' mesh networks (like Amazon Sidewalk), and that they'll never include their own SIM cards.
Granted, none of this has happened yet... but when it happens, I'll start busting open my devices to disconnect any and all antennas.
I've recently read (in HN), that Samsung's appliances mesh network with other Samsung appliances with the hope of reaching the internet. So it's around the corner, it seems.
Granted, none of this has happened yet... but when it happens, I'll start busting open my devices to disconnect any and all antennas.