Diane Sawyer seems sincere but a hopeless drama queen as well. Thoughts on her both soothing and melodramatic?

personality. I saw her interviewing Rihanna and she was aghast that her boyfriend hit her and made her bleed. After all these years of endless depravity where nothing surprises you, she still can't believe that celebrities bleed. What's wrong with Diane Sawyer that she never fails to overreact?