Wow a faraday cage is needed then… :(

It’s 1984 for sure. Every devices listens.

Yeah untrusted devices should run in a client isolated vlan similar to a guest network.

Yep an isolated vlan with no internet access. Cast your media from a dongel or computer connected via hdmi.

I’m on the same boat 44" tv, from ages ago. Connected to my linux reinstalled asus chromebox. Freedom baby yeah!