See, if his father had had another gun, the father could have shot the boy before he shot himself and thus saved the member of his family from shooting himself. Wait - what?
Maybe another choice is that just maybe, if the father had been required to have some gun safety training, he wouldn't have been so damn stupid as to leave a loaded revolver lying around within reach of a 4-year-old. Or maybe the gun safety instructor would have realized that the guy was too fucking stupid to own a gun and denied him a permit.
So tell me, dear reader, which of these choices do you think might have a greater success rate? Putting more guns in the hands of an imbecile, or requiring him to have gone through a licensing and training procedure? Hmm?