Both also seek to provide a transformation of personal consciousness (respectively, spiritual and political) to bring an end to human alienation and selfishness.
Similar to the book, blindness in the film serves as a metaphor for human nature's dark side: prejudice, selfishness, violence and willful indifference.
First, because a great amount of evidence has contradicted the selfishness hypothesis; second, because failure to regard other-concerning behavior ignores central market activities.