These things don't just invade your privacy though. Entier UIs are built around making you behave in ways the vendor wants or looking at ads (and absolutely not

These things don't just invade your privacy though. Entier UIs are built around making you behave in ways the vendor wants or looking at ads (and absolutely nothing else) where the vendor rents the ability to manipulate their users behavior en mass. If it were just privacy you would have a point but it was never about privacy, that's just much easier to measure and talk about because it's something most people have been talking about since the 80s/90s when strong cryptography became available to the average computer user.