There's a bunch of gurus that have done this and have been tremendously successful. To name a few: Gary Vaynerchuk, Grant Cardone, Tai Lopez, James Altucher. I'm sure there are cases that haven't been as successful, but show me one business that doesn't have failures? The point she was making was with the internet you can become a successful personality because with great content you can build up an audience without a middle man.