This is not just about media companies. SOPA is part of a barrier to blockade anything that may violate any Intellectual Property. This includes selling pharmaceuticals from Canada, edge case property violations like a handbag that looks similar to Gucci's latest model, but doesn't use the brand name, electronics that may violate a patent in the manufacturing process but the end product is not similar to anything else on the market.
If you think its just the RIAA/MPAA pushing this agenda, look no further than the money flow and you see its the U.S. Chamber of Commerce that is the largest supporter. Downloading bittorrents is just the poster boy for this campaign.
http://en.wikipedia.org/wiki/Design_patent If SOPA goes through as some intend it, it won't matter if the "plaintiff" is correct or not about infringement of design or any other form of IP, there will be no plaintiff in the traditional sense, just a complaint and a web site that disappears.
If you think its just the RIAA/MPAA pushing this agenda, look no further than the money flow and you see its the U.S. Chamber of Commerce that is the largest supporter. Downloading bittorrents is just the poster boy for this campaign.