So he walks up to you silently and then arrests you for having recorded him within 8 feet while he had not interacted with you. The cops do not follow the law in good faith ever and this gives them another trivially abused tool, like when they would stop people because they "smelled" pot that never existed

How does this even work? Police officer walks to within 7 feet of you: you’re not allowed to film. They tell you to stop filming and then suddenly you’re allowed to because they’re interacting with you?