I read it, and would disagree with you utterly. Harriet was a very strong woman, and used that inner strength to "keep going" even when many around her would have (and tried ) to give up. Harriet herself attributed her achievements to her "God", and I suspect that she really believe that her god helped her. Good thing she didn't think too much about that all-powerful god, considering that following the "omnipotent God" notion, this god was the one responsible for her suffering in the first place. Presumably, according to you, and those who believe as you do, all those other slaves who were raped and murdered by their owners.... that was God's will, too.
A good story about a great woman.