Self Defense? Or Vigilantism?

In Detroit, the chief defends the right to self defense and to own and use the means to it, the gun. Other police politicians don’t like that, and are calling it “vigilantism.” Really? When the cops CAN’T protect you, but are only able to document the crime or crimes committed against you, Why is it NOT a “good thing” to be armed in your own self-defense? Criminals do not obey laws, by definition. So why can’t honest, reliable people be able to carry their own guns to defend themselves against ILLEGALLY-armed criminals who have no trouble getting their guns in an alley somewhere? It’s only the “hide-bound” old duffers still wearing their old, wrinkled cop uniforms that think ONLY cops should be armed. They think we are all unable to handle the right to be armed, and they’re stupendously WRONG. People DIE because of how wrong they are! (Gun Free Zone)