I think he totally should. I applaud Harry. Unlike you and me Harry was never given the choice to live a private or public life. His life has been splashed on covers of papers all his life. I think he had a right to tell the story about his life from his perspective rather than letting the murderous tabloids do it. Yes, I call them murderers because they played a key role in getting Diana killed and making her life an utter misery.
Nobody should have to sit still and take a beating without fighting back. Harry has every right to fight back against the vultures and finger pointers.