On the flip side, it was possible to make a lynching look like a harmless social gathering with the technology of the era: point the camera selectively or take

On the flip side, it was possible to make a lynching look like a harmless social gathering with the technology of the era: point the camera selectively or take a pair of scissors to the image. Loss of timestamps is easily achieved by using any recorded media without timestamps, or any third-rate video editing software. Beria was airbrushed out of reproductions of photos that had circulated for years before he fell out of favour, but the revised images look convincing enough in the absence of that context. Cameras have never given a complete picture of everything going on (and people start worrying about panopticons with proposals that fall well short of that). Anybody that wants to show only what they want to see can choose whether or not to record or edit the recording after the fact. The actual use cases for tech that can decide whether something is worth recording in real time are likely to be comparatively mundane...