I'm sure HBO, and all of its employees, and their families, would appreciate being able to somehow DNS blackhole all the search engines leading to torrents of the content they try and sell for $18/month on digital cable, or $85/Season for DVDs.
If you are Adele, or one of the tens of thousands of artists like her (or their families, or the people that provide services to them) - don't you think you'd like to DNS blackhole, and remove from every search engine of note, http://mp3skull.com/mp3/someone_like_you_adele.html starting today?
The Global entertainment industry is worth 100s of billions of dollars, much of it created in the United States - SOPA is an attempt, however ham handed, at protecting that industry.
I'm curious, dos1 - how would you protect rights holders? I don't have any good answers, but perhaps you do.