If you've never taken the time to watch before, will you now watch Survivor just because it's become so controversial? It's really not surprising that they've decided to divide up the tribes by race. They have been divided in the past by sex and by age, but the show hasn't received as much attention about such divisions as it has now. I guess division by sex or by age doesn't stir the pot as much as a racial division.
Lisa de Moraes at WaPo has more on this.
UPDATE: Read this by Eric Deggans.