&gt; Americans justify the use of nukes on the basis of the war being just.<p>So would ISIS. You really think they&#x27;re all sitting around going &quot;gee, we&#x27;re assholes and this what we&#x27;re doing is wrong and unjust, but let&#x27;s keep going!&quot;? They think they&#x27;re fighting a just war of survival against a new wave of Christian crusaders.<p>Sure, it&#x27;s wrong, but it&#x27;s a belief genuinely held.