I was specifically talking about what the original commenter said.
with proper support, privacy, customization options and no crap like ads
Dumb TVs are already a thing as mentioned elsewhere. Commercial Displays cost more but you can beat someone to death with them and they'll still work.
I'm with you on hoping for more options. I'd hate for my next TV purchase (hopefully years from now) to be forced online under the guise of firmware updates to steal my viewing habits.
I killed an old exchange server with an auto reply to a coworker who had an auto reply to me.
Those were the good old days.