I hear ya, just this month, the delivery driver, the black guy that went to the wrong address shot by the 72 year old homeownerr, the cheerleaders approaching what they though was their car and shot by someone that was sitting in the car..
IMHO, the problem is they don't know the law, without training, that you can't protect property with deadly force. Your weapon is your last resort, not your first and the fact that in my state, if it is safe to do so you MUST flee. They just approved constitutional carry for Nebraska that goes into effect in September and I don't know the answer unless perhaps the state offers the classes that we had to take to obtain a CCW for free.
I went to a seminar recently with an undercover cop and he was explaining different laws. He used an example that you come out of WalMart and there is a guy in the drivers seat of your car trying to hot wire it. You tell him to get the #$@( out of your car and he refuses, you pull your pistol and again demand that he get out of your car and he complies, and calls the cops on you. You get arrested. As soon as he says this a guy in the back is incredulous and says that can't be so. Took them 15 minutes to convince this fool that if he shoots someone over property that he is going on a one way ticket upstate.