Wow, this is great. The general metaphore for this is the discrimination and supression of immigrants/blacks or any other ethnicity within a country. the fact South Africa was chosen as a spot is a no brainer, at one point blacks were treated pretty much the same the Aliens were.
Halo will only be better now, and I'm sure a political stand point will be in that movie also. Can't wait
Here's another one of his short movies.