To me this is less about a drone operator and more about an activist with an agenda. (Don't get me wrong, I'm not for the laboratory testing of animals.)
My take after watching the video is this - To the person in the video the drone is nothing more than a tool or means to an end which is unfortunate for those in the drone community who are more about the drone.
I think this was being unnecessarily escalated to make a point. If it was me? I have better things to do with my time so I would have just given him my ID (regardless of what the law requires), respected their opinion, answered their questions and moved on. I wouldn't want to escalate things to make a point regardless of who is right. I know how the video is being portrayed but this is a post 911 world. In my opinion all bets are off and so is due process especially if they consider you a terrorist threat (thanks to the Patriot Act in the United States). If its a (my opinion or theirs) situation, they will win. With respect to this video and in my opinion, this guy just wasted a half day or more he could have used for something productive just to make this video. Had he just given his ID and moved on this video would have been 10 minutes and no one would have seen it, right?
As an operator I'm highly aware that others are uncomfortable with the perception of being watched and I respect that. I'm not out to make people uncomfortable and I respect their privacy. People are fearful that someone with a drone may be using it for a criminal activity. I'm not that guy. I would like to put others at ease so they leave me alone and let me have my fun. All we need are more unnecessary laws written to restrict us.
Many people look to the past with rose colored glasses, you know those great times back in the 60s and 70s? Good times, hah. Truth is, the good ole days for most of us was when we were 8-10 years old regardless of our present age.
I don't believe activism like this will be positive for peoples opinions of drones or roll back possible Police over reach. I'm afraid that ship has sailed.