the only TV I have connected to the home network (guilty, I admit), Sony OLED 65, ARP floods my network about 12-15 hours after "turning off". On a plus side, it doesn't appear to be streaming anything out: no local DNS hits, not enough outgoing traffic for any meaningful audio stream
The choice between privacy concerns and ineptly coded network stack is tough. But that's the choice we're forced to have
Why don’t you just use it as a display and have a more reputable device (e.g a mini pc or an apple tv) feeding it? I’m not forced to give my tv network access at all, since it doesn’t do anything other than display whatever the apple box outputs…