Finally an article on wired.com that addresses this issue.
"To say violence is a sickness that threatens public health isn’t just a figure of speech, they argue. It spreads from person to person, a germ of an idea that causes changes in the brain, thriving in certain social conditions."
In that article, the author argues violence should be treated as a disease. Merely owning a gun does not equate to violent acts. It is a correlation very similar to playing videogames, listening to violent music, watching violent movies, etc.
Correlation does not equate to causation.
A causation, for example, is when you drink alcohol and you know you will be drunk. Alcohol causes
a person to be drunk; owning a gun does not cause a person to be violent.
Until a person can disprove the premise of, "Guns don't kill people, people kill people" then I will cave in and accept the argument that owning a gun will lead to a person being more violent.
It is a fallacious argument based on correlation that has nothing to do with causation.