What are they on? In their opinion, protecting their homeland and race from an invader who seems bent on genocide. To themselves, they're comparable to what happened to the American Indians, only this time they're fighting back effectively.
As you may have sorted out in the several minutes it took you to read these few sentences, this falls under the "Just say NO to POLITICS" line. Talk politics, get shut down. Got it? And if you can't figure out why on your own, let's leave it at that I prefer flamewars to erupt over something meaningful. Like dildo preferences.