Again, this strikes me as something you can only believe if you believe that other people do not really exist, and that the comfort of people like you, who hope to somebody shoot somebody in a justified altercation should take precedent over the lives of those who would rather have not been shot.
You stand around children at a bus stop where you can murder them all in a heartbeat—and for all they know, in the next heartbeat, you will!—yet you insist that they act as if you are their protector.