[toyg]

The problem is actually with the definition of infringing site: "The term 'U.S.-directed site' means an Internet site or portion thereof that is used to conduct business directed to residents of the United States".

By this definition, a Youtube channel of people posting rickroll mashups and served, say, under a .fr domain, without paying Rick Astley, would make Youtube an infringing site as a whole. A Google group dedicated to memes based on captions of The Hurt Locker and served under the .za domain would make Google an infringing site as a whole. A subreddit dedicated to... you get the idea.