There is a time and place factor here together with a description; they are not randomly stopping someone in a random location at a random time just for looking black.
I would not so easily let the officers off the hook. The worst case is that this happens so often, they don't even see it for what it is.
Descriptions are frequently sketchy like this. You hear them on the news daily. "Middle-aged white male wearing jeans and a ball cap". If that's all you have and don't act on it immediately at the time and location, its usefulness evaporates.
Because the description of the suspect is "black, average size, and wears a knit cap." Indeed the description could have been more complete. Whomever interviewed the victim might have botched it. Maybe the woman was completely wrong. Maybe the communication for a BOLO was still incomplete.
But that's the description they had and that's the description they went on. These cops could have been less intimidating, but with the information they had, they still had to check this guy out.
Its not just incomplete - he literally does not fit the description.
1) he's making a display of readiness, and 2) he does not consider the detainee an immediate threat to grab for his gun.
It happened to me a few years ago. A guy had just robbed a 7-11 and I was walking home from work. The cop stopped me, cuffed me, put me in his car, drove me back to the crime scene and had the witness make sure it wasn't me. I'm a fat, short white guy, btw.
Stopping people who fit the description of somebody who just committed a crime is the system working. No wonder both sides are agitated. The cops get slammed if they do their job and if they don't. No matter what the cops do, certain citizens will say it either is too much or not enough.
Seriously, the only thing I get out of these conversations these days is nobody here should be taken seriously about anything serious.
Would that ever happen? Very rarely. Would the officer stopping a white guy who fitted a 1/5 description grab for his gun? Of course not.