[spacemanspiff]

I think some people just aren't understanding where the mindset of self defense starts. The conscious decision must be arrived at long before the purchase of a defensive weapon, and much longer before the carrying of the weapon. One must come to grips in their own mind, with the fact that if they choose to carry a defensive weapon, they may find themselves in a situation where they must take a life to save a life.
Not everyone arrives at that decision the same way. And some arrive at it far too quickly. Legal arguments aside, one has to accept that they might have to end someones life. Once that is accomplished, then one can adapt their mindset to the mold of their local laws, specifically about the use of deadly force, and when it is justifiable.
A good ol boy from Texas might move to a different state and if he doesnt know he can't use deadly force to protect his property he might find himself in a whole new world of nightmares. Or he might not know about a duty to retreat.

With all that said, I think its safe to say that those who are most vocal about wanting to go out and shoot till slide lock on anyone who lunges toward them will probably freeze in that moment it actually happens to them. You dont got to worry about the ones making the most noise. Its the quiet ones you gotta watch real closely.