In this case it's not about being the world police. The Kurds have been our buddies since the beginning of Dubya's Fuckup. Now I don't know shit about Kurds. They're probably just as shitty as your average muhammedan. But that's beside the point. The point is, how does this reflect of Amurica's credibility regarding its allies? How will our current allies see it, and more importantly how will our potential allies that we WILL need at some point in the future see it. We're abandoning our loyal allies. Have you no honor, sir???
Nobody cares about the Kurds.