Technical solutions are insufficient for such disregard, the company needs to be sued out of existence, and laws made to prohibit and punish such behavior
Unfortunately, "AI" speech to text loggers can run a long time before it ever runs out of memory. Every time you have to update the TV software, a few MiB of your data is sent.
The issue is a lot of the TV traffic is encrypted, and given the other issues reported it likely gets a lot worse for privacy advocates. Air-gaps don't necessarily guarantee anything either. =3