From TFA:
I don't know whether Angelina Jolie is smart, smart for Hollywood, or not smart even by Hollywood standards. I do know, because I watched her speech, that she doesn't have much to say about AIDS. Her message to the assembled businesspeople and politicians was that we all must do more to fight this terrible disease. In particular, Jolie pressured the audience to pressure CEOs to pressure politicians to do more. When they have no idea what to do, celebs tell other people to tell other people what to do.