albert einstein said the most important decision we make is whether we believe we live in a friendly or hostile universe. the thing of it is we live in both a friendly and hostile world. killing for profit is as hostile as one can imagine, but we can't say nature kills for profit,  nature kills by way of living. humans may say they kill for defense, but humans lie. they kill for money, or because their minds are sick and their souls are lost in the universe. a lot of souls have had their bodies murdered by hostile entities, and other souls have gone wandering while their bodies live in a fantasy world, killing.