Maybe it's the argument that we can't avoid wars, so it's best to make them as quick as possible? One way to do that is to make sure you can eradicate the other

Maybe it's the argument that we can't avoid wars, so it's best to make them as quick as possible? One way to do that is to make sure you can eradicate the other side's military might with overwhelming force. I think this is the kind of question where it is good to ask what the alternative to the terrible reality we're creating would realistically be.