Some are made to kill people very effeciently, yes, but, properly employed they can all kill effeciently. As can a pickup truck or bulldozer.
I understand your viewpoint and sense the circular argument coming, but I always feel that we are ceding the field to the antis- when we claim some guns are more intrinsically violent or evil than others.
"Growing up as both a Southern and the son of a child of the '50s, I was imprinted with several things that have long stuck with me. The F-86 Saber Jet was the finest fighter ever flown, the National League is always superior, and Leslie Coffelt
was the finest revovler shooter since Mr. Ed."