Any time you are in a store, you are almost certainly being recorded. If you use an ATM, you are being recorded. In some cases, this does protect you. But often, these cameras become invasive and unpleasant. Not right now, but in the future, when computer technology has improved to the point that computers can identify faces on the screen from a database of known people, these cameras can become a serious threat to your liberties.
Society needs to have some allowance for polite rebellion, lest it be too easy to slip into tyrrany.
The tyrrany of the camera-owners, in this case. I don't know. Perhaps it's the destruction of the cameras. If people have bodycams, it may leverage some of the power back into the hands of the individual. The Mark-Cam is my teacher.