A necessary Net neutrality

Marguerite Reardon's article "Thanks to BitTorrent, Net Neutrality debate reignites" supports the idea that Net neutrality is necessary.

To my surprise, Comcast prevented some users from uploading certain networks. Comcast is the number one provider in the Philadelphia so the idea that the company that provides my Internet service could be acting as Big Brother is pretty scary.

If Congress didn't think Net neutrality was important before, than it sure needs to now. But what argument will win the case? Other than the three examples listed here, what else can prove to higher ups that big businesses are trying to control the free World Wide Web? My biggest fear is that Congress is in on all of this...