I think the alternative question is: Is there a TV on the market that is easy to convert into a dumb TV? For example; I am happy to use just Apple TV. Is ther

I think the alternative question is: Is there a TV on the market that is easy to convert into a dumb TV? For example; I am happy to use just Apple TV. Is there a low-risk way to cripple my TCL so all it does is allow for input via Apple TV and not run other process?