Earlier quoted context omitted.
This position is, from my viewpoint, indistinguishable from that of a mass murderer, as that is literally what you are calling for. By a strict logical interpretation, you might consider executing yourself as you have met your own stated criterion for being eligible for execution.
No, it's not. Self defense is moral and justified. And some people are more dangerous alive than dead. Worse, some people develop a cult-of-personality and a following that they can even control or influence from jail. You telling me a mafia or gang leader or a former dictator guilty of genocide doesn't deserve the death penalty? Naive, to say the least. You know little of true evil, which does exist and no amount of…
To the extent that it is moral and justified, it does not extend to include intent to kill. To the extent intent to kill is present, it is not morally “self-defense”, though it may still be within the scope that law does not punish when the other moral elements of self-defense are present (which is, itself, right and proper despite allowing some immoral acts to go unpunished as criminal law should err on the side of nonpunishment and teasing out intent when the other elements of self-defense are present is more likely to result in the reverse error.)