Breaking their own laws, bribing foreign governments, legal suits, lobbying, passing laws, massive propaganda campaigns has been futile in combating file sharing,
It's not like they're not doing that right now anyway, laws are intended for the people, not for who legislate. But you're right, pandora box has opened, once the markets realize this there's nothing they can do to stop it. Anyway banks and governments are a thing of the past, corporations are going to rule the world from the end of this decade, and they care about technological advancement because it makes their establishment more efficient and they continously have to grow.