Downfall implies a failure or ending, it seems like they're still selling like hotcakes. This is why we need regulation to save us from surveillance, most consumers want cheap and don't understand/care that they're selling their privacy instead.
e.g. https://www.sharpconsumer.uk/electronics/tv/non-smart-tv-hd-...
(Edit: size and resolution admittedly not great)
Looks like the ads worked.
This does not stop companies from making it very difficult to stay opted out, or to disregard GDPR entirely. After all, enforcement is very rare.
[1] https://www.datenschutzkanzlei.de/grenzen-des-nudging-lg-ros...
[0] https://www.handelsblatt.com/politik/deutschland/datenschutz...
If the US follows what the GDPR did, we will just have pop ups before every TV show asking us will we allow tracking.
Ideally we'd include in the law the provision to say no once for some extended period of time. CAN-SPAM is a precedent for this, I believe.