The first part of the article sums everything up quite nicely already.
Silly politicians. Don't they know the surest way to drum up interest in a pornographic movie on campus is to ban it?
Because of this, and banning in general there will always be more interest in the topic then there initially was. Banning these days seem to backfire more and more, as with every ban comes a wave of people who will fight said ban which will make it a bigger deal then it actually is.