All of us? That's a bit of a leap.
What I'm saying is: If you were driving through that town, and you get pulled over, the cop seems agitated and he tells you to exit your ve-hicle and lie down on the ground, and there's no one around - do you lie on the ground?
The verdict damages police credibility. As a cop, that's something you really don't want to lose. Now the driver of the car is thinking there's a possibility he might need to shoot first to save his own life.
It invites instant escalation to lethal force because both parties think the other guy capable of it. That's a primarily American phenomenon, excepting war zones.