These TVs can capture and identify 7,200 images per hour, or approximately two every second. The data is then used for content recommendations and ad targeting, which is a huge business; advertisers spent an estimated $18.6 billion on smart TV ads in 2022, according to market research firm eMarketer.
NextDNS has a blocklist you can enable to block telemetry for Roku TVs FYI. You can also get a dumb TV or keep your TV offline and have a separate Kodi box for your shows.