Sean white was recently dragged for having dressed as the "simple jack" character in the movie Tropic Thunder.

For those who havent seen this movie. Ben Stiller plays a considerably "insensitive" roll as a mentally handicap boy named simple jack. This movie also has Robert Downey Jr in blackface. Which in and of itswlf is also pretty insensitive to say the least. But thats not rhe point. My question is are all movie characters fair game for halloween costumes? Or are there specific bondaries when it comes to race, disabiltiy, etc.