I invited someone from 2K or Firaxis to respond to my post about the problems I have with "Civilization IV: Colonization" and I just received this from Steve Martin, president of developer Firaxis Games:
For seventeen years the Civilization series has given people the opportunity to create their own history of the world. Colonization deals with a specific time in global history, and treats the events of that time with respect and care. As with all previous versions of Civilization, the game does not endorse any particular position or strategy - players can and should make their own moral judgments. Firaxis keeps the player at the center of the game providing them with interesting choices and decisions to make, which has proven to be a fun experience for millions of people around the world.