PAA – There are two distinctly different discussions here: “What a person should do” = his duty, his obligation, what is correct. When you talk about why a person would, you are searching for an incentive which motivates him to perform the action.
Second Paragraph – I’m sorry, until you accept the truth of innate moral sensitivity, you cannot understand this.
And – I was hoping we wouldn’t get to this. Do you honestly believe you would say that the only reason why you have a problem with him killing is because he broke the law? And if he managed to pay a top notch lawyer to find him a legal loophole, then you don’t see any reason for him not to kill?! I’m afraid I don’t believe that.
I honestly can’t explain myself more than what I did already. I’ll try think about it from a different angle and present it again.