People who feel the need to carry a gun, are more likely to get into incidents that involve shootings? Huge surprise there... Did the researchers ever stop to

People who feel the need to carry a gun, are more likely to get into incidents that involve shootings? Huge surprise there... Did the researchers ever stop to question the reason why someone might be compelled to carry a firearm in the first place? What happens to these stats when high crime areas and suicides are removed?