I'm not sure about that. The SA population is too small, or maybe nonexistent, to make a difference in the swing states that will determine the vote. However flawed she is as the representative for the black voters, she was chosen as a symbolic nod to pander to the black vote. Also, they might be thinking she'll do a good job in the traditional VP role of an attack dog. And here I must say, when the VP candidate is a woman, the VP as attack dog strategy doesn't work and more than likely will backfire. But despite that strategy keeps failing, for some reason the campaign experts can't see that.