I believe its south Africa where you can get your car fitted with an anti-car jacking device as shown here.
South African Car Flamethrower - YouTube
That country is also home to an anti-rape device for women since rapes are so prevalent in that society that some women feel its necessary in order to prevent and stop a rape. While this device is ingenious in how it works it requires that the rape victim to be raped for it to work. A bullet in the chest works much faster and doesn't require this.
Carrying a gun is anything but intellectually lazy. Its a 24 hour responsibility to know where your gun is, who has access to it, where you can legally carry it, and most importantly to avoid using it up until the point your life is endangered. This is why some people simply choose not to own a gun because these responsibilities seem too great. To say gun ownership is "intellectually lazy" only highlights your ignorance on the topic altogether.