the only way you can appeal to anyone to the right is to disguise your tendancy to the left, and what does that solve?

I don't think you need to disguise your tendancies to appeal to the other side. You catch more flies with honey. Moore probably has some good points that could be substantiated with sound logic, but when he presents it the way he did on Oscar night, he loses his audience. At some point, the far right would tune him out no matter what he said, but by relying on emotional appeals rather than logic, he's losing any portion of the audience that would listen. If he could have expressed those exact same reservations about the war in a more logical and palatable manner, he might have actually influenced someone to look at their own views in a slightly different light.

Or, in other words, I don't think anyone with views on the extreme left or right needs to express those views in such an extreme manner that nobody will listen to them except their small, captive audience of fellow extremists. But I do appreciate the role of voices on the poles of the political spectrum... I just think they're wasting their time if they're not doing their best to bring about change in the middle of the spectrum.