Snowden: "Google, Facebook, Microsoft, Yahoo, Apple, and the rest of our internet titans must ask themselves why they aren't fighting for our interests the same way". Indeed, they must. Your move Google, Facebook, Microsoft, Yahoo and Apple.
Shifting the blame and the burden for policy reform onto firms is not only silly but also unfair, you can't really expect them to shut down, they are not one man operations like Lavabit.
And nobody says they have to immediately shut down.