Ashley Belanger, writing for Ars Technica, on the Texas AG suing Samsung, Sony, LG, Hisense, and TCL over their use of Automatic Content Recognition:
Samsung provides consumers with a one-click enrollment option during initial setup, but opting out requires more than 15 clicks across multiple menus.
ACR captures screenshots of your TV every 500 milliseconds and phones home with what you're watching. Not just their apps. Everything on screen, including anything connected over HDMI.
We lost the "just buy a dumb TV" war years ago. The best you can do now is keep it off the internet and watch through devices you actually have reason to trust. My TV only gets connected for firmware updates. Everything else goes through an Apple TV, which has no business model that depends on selling what I watch.