Because they are. Also, if the movie and music industry were to just offer more services and not make such shitty music and movies, maybe I wouldn't pirate them.
LOLOLOLOLOLOL and the MPAA's perspective isn't one-sided? I can barely believe they even came out with that bullshit.
They're a plaintiff and as such are not obliged to do so. Google, being a third party filing a brief, cannot be seen as acting in its own self-interest when making the submission.
Maybe that's why global warming is happening, to tan up the white guys. Won't change their stupidity though.