I never connect any “smart” device to wifi. If it doesn’t work without connectivity, I don’t want it. I use my TVs as display devices. They have HDMI-in and that’s it.
I have had to back my mother down from that precipice on her own TV so I know it's worth worrying about. The siren call of an entirely empty TV homescreen beckoning us with a struck-out radio tower icon. "We have Disney+ and CraveTV too... press [menu]... pay no attention to the sticky note your son put on the coffee table"