If there is a moral code regarding killing in which atheism comes out as the stronger, more compassionate philosophical system, it would be the one that points

If there is a moral code regarding killing in which atheism comes out as the stronger, more compassionate philosophical system, it would be the one that points this fact out, without an afterlife or any sort of reincarnation this existence is the only one you've got. And to deprive someone therefore of a meagre 90 or 100 years, the only glimpse they'll have out of potentially hundreds of billions of years underscores the preciousness of life and why it should not be taken.