Ahhh! Not having a lick of sense sure makes it easy for Joan to utter stupidities. Shoot First Ask Questions Later is the leifmotif that Anti Gunners use when referring to the extension of the Castle Law where you are actually allowed to use your firearm and defend yourself outside the house and not having to cower under a desk waiting to be shot.
Now, if we take the above statement as seriously as Joan want us to take it, when attacked by a criminal with deadly intentions, we must somehow fill some sort of questionnaire or get to talk with the Bad Guy so we can properly ascertain his intentions. I am guessing that somehow the criminal will be in the mood to exchange information with you in a calm and detached manner and, once he has properly informed you that he is about to exact bodily harm on you, he will also give you the chance to draw your weapon and defend yourself.
As tragically absurd as it sounds, some countries actually have that load of crap implemented in their legal systems in some sort of form with the inevitable result that Self Defense does become a crime. People are then faced with the prospect of either losing their lives or losing their freedom.
But don’t worry, Dying is always morally superior, at least according to Joan.