Good friend Steve Krause sent me this link to Henry Jenkins’ comments on District 9, which I find very interesting and provocative.  It’s a two-part blog, so click on.  Be warned:  There are plot spoilers.  I agree with most all his points except that the protagonist should somehow display a more overt repentance for some of his deeds.  Personally, I think the transformation of the protagonist pushes plausibility about as far as one can, and blowing plausibility for message doesn’t really serve the message.  One of the reasons I find the ending so effective is that we don’t know what’s in the protagonist’s head in the last frame.  He’s, well, alien.