Don't get me wrong I don't disagree with what you and OP are saying in principle but at the time we do have to be realistic about the situation. These smart TVs run proprietary software stacks and hacking them to remove the ad and tracking 'features' is definitely a grievous violation of the end user license agreements.

If this trend became widespread enough to have an effect on these companies profits I would bet money the vendors would just go the legal route and crack down on it. All these LLM providers do retain logs of your sessions and these vendors would easily be able to subpoena those records. Once they start dragging people into court and mass filing cease and desist orders that's going to end it.

No because the units sold line goes up but the revenue per device goes down so they will look at ways to extract more money per unit, like ads