"Guns Don't Kill People, People Kill People"

What is that suppose to mean? People kill people with guns. Guns kill. They're more lethal than other weapon. How does that meme explain away the obvious?

NRA%20Asshole
• It means a gun by itself does not harm anyone, it takes a person to pull the trigger and kill someone. Now shall I give you the breathing instructions again? In...Out..Repeat.