A written document's strength lies in the willingness of the people to defend it. The American people have failed.
The Founders specifically stated that the "militia" referred to in the Second Amendment was "the whole people". It protects everyone's right to bear arms.
“It is not our part to master all the tides of the world, but to do what is in us for the succour of those years wherein we are set, uprooting the evil in the fields that we know, so that those who live after may have clean earth to till." -J.R.R. Tolkien