ran out of replies so i'll reply to this one. I'm not sure what you are getting at.
Am I allowed to protect anyone else in your world? For instance if I see someone pointing a gun at the back of someone else's head?Of course you are. And, you should try and stop someone that is driving drunk. But you don't have the right to imprison or fine them for doing so. How can you give that right to a cop?
Why don't I have the right to imprison someone who's about to shoot another person in the head? What do I have the right to do? Kill them to prevent a murder? Beat them up? Shout a useless warning?
Furthermore, why are you deciding what rights I have in terms of defending myself or others in the first place?
@telos , I already said drunk driving is not the same as pointing a gun at someone's head. I said you don't have the right to imprison someone for drunk driving. If you think you do, go "arrest" a drunk driver yourself and lock him up in your basement. See how far that gets you.