You know how most wars end when one side gets what they want, or stops caring, or the other side surrenders? This is not that kind of war. This is a war where the only possible outcome is the utter annihilation of the other side. This isn't Good Versus Evil either, where one side wins forever and there's sugar and gumdrops for the rest of eternity, this is two sides fighting to the death for reasons that cannot be summed up. Other options are neither explored nor put forth as viable in any way. Don't expect either side to feel guilty either. Examples of Guilt-Free Extermination War include: