Also, the burden of knowledge in the proper operation and maintenance of ones firearms was the responsibility of the owner. Remember, COTUS and BOR were written when personal responsibility was -assumed-, so well regulated meant well prepared and knowledgable (able to wield their personally owned equipment effectively), putting the responsibility on the state to ensure it is just like every other slip in personal responsibility to the responsibility of the state. Once we started down that path (education, retirement, poverty, etc) of course the argument would be made for arms as well...the push toward it is a result, and not unanticipated