The Color Purple is why I came to dislike Oprah and the Whoopi thing. Then Oprah went on to make "Brewster's Place" with so much man-hate that ABC forced her to include at least one positive male character. The good news is it lasted about 5 minutes on the air.
I've never seen the Color Purple, never will, and the book was written in language that made it absolute torture to try to read. I didn't like Danny Glover for acting in Purple either, but after he came to work for the campaign and went with my wife when she voted, I cut him some slack. He also became very active in great causes.
Did you know that Cicely Tyson, among others turned down roles in Purple, which led to their disfavor among the Spielberg-type "liberals?"