The equivalent of making fundamental changes to a TV station in IT is to use your CS degree to make Facebook allow customised homepages in the style of MySpace. The fact that you can make a Facebook/MySpace clone at home in a few night compares to buying a video camera and recording your version of the news in your kitchen.
Now, I agree with the conclusion: Computer programming is the great equalizer: for the low cost of a computer, a few books and an Internet connection, anyone can build the next Facebook. There are literally no further barriers.