What she fails to realize is that NYC PROHIBITS CONCEALED CARRY for common citizens. It is precisely why her son was shot and killed, as the criminals who walk the streets of NYC have no fear of being shot due to the fact that most if not all citizens there are unarmed.
The Blecccchs are aware. They just don't care. Perhaps their grief will be alleviated when no one, no where, at no time can escape their son's fate.