The bottom of the line TVs are basically commoditized and are sold at a loss. There's few tv manufacturers and they mostly compete on price, only the top of the line models have pricing power and only for 6-24 months for new models. A supermajority of consumers don't care if they're tracked all the time and a large fraction don't mind ads everywhere either (they're used to it).

A new display plant costs multiple billions.

They would care if they understood it. They shouldn't have to care–they deserve consumer protection regardless.