Earlier quoted context omitted.
System one is, but advertisers could always roll their own and see if they can get away with "you can only view this content if you give us permission to use your camera".
At least on iOS, I can't imagine that happening - apps are not allowed to demand you grant permissions unrelated to the actual functionality. From App Review Guidelines (5.1.1) Data Collection and Storage, (ii) Access: > Apps must respect the user’s permission settings and not attempt to manipulate, trick, or force people to consent to unnecessary data access. For example, apps that include the ability to post photos…
Unfortunately, poor Americans cannot taste the freedom that Europeans have to be abused by developers.