So, when the cops hear hoofbeats, they should immediately assume that it's zebras? Come on--they are responding to an active shooting--armed person or persons who are committing violent crime. When they come on the scene and see armed persons, you think they should immediately assume that they are good guys? They are going to try to figure out what's going on--if you are the armed defender, do you want to help them make that determination or do you want to just keep doing what you're doing and hope they figure it out on their own?
In the video the shooter is leaving the building with a hostage. Tell me how you would immediately determine the difference between a shooter running with a hostage and an armed defender helping someone exit the field of fire.
That would enable a gang member to eliminate a rival w a LEO.
That kind of thing can certainly happen--look up "Swatting" for examples. It's not a perfect world--you can complain about the lack of perfection or you can learn lessons from reality and use them to make yourself safer.
What is the issue w ordering the visibly armed to disarm? That wasn't mentioned @ all. One would hope an officer would have common sense & a little discernment.
You clearly have never watched any dashcam/badgecam footage. Verbal commands are VERY commonly given to armed persons.
There's no issue at all with that if it's feasible. Sometimes it's not feasible. In the situation in the video, the shooter had a hostage. Giving notice could have easily resulted in the shooter killing the hostage. Or it might endanger the responding officer, allowing the shooter to get off shots at the officer by drawing the officer and the officer's position his attention.