These days anyone on YouTube can see an alarming trend - news stories of police beating unarmed people, some of whom subsequently died. This man was exonerated thanks to a dashcam:
Cameras have become ubiquitous. Let's use them to actually help the public! Law enforcement is a public good and we have a right to demand that all encounters be videotaped by dashcams and wearable cameras, esp with increased police militarization. Also, laws should make it straightforward to subpoena a video in cases of "he said, she said." It's cheap to store the video once it is recorded, and this would save a lot of money in court fees, incarceration and reparations.
Studies show cameras reduce complaints by 88%! What possible reason could you have against it?