We should never have war......either.
When convenience is part of the equation, and society can choose, accordingly, like a mother who decides against the needs of a fetus/baby, because her needs come first, then so can people decide against keeping alive a proven criminal who had no regard for the life/lives, he wantonly took......because the cost, energy, and even his green footprint, is a bad investment.
I am not saying I agree with it, just pointing it out.
You want 100% absolute morality, then you better example, and exhibit it, or your reasoning, and arguments, are nothing more than feelings of self righteousness and based on a lie to begin with.....
BTW, that is 3 cents worth, you owe me a penny