Moreover, if there is anything at all in this world worth spending a great deal of care and time thinking about and critiquing, I would think that the question of what one's default lethal-force response to an individual who is trying to kill them or cause them grave bodily harm should be would be chief among them. Of all things that one could want to completely understand and be able to extremely articulately justify in great detail, that seems like it ought to be pretty high on the list.