No, Facebook/Google engineers should consider their actions carefully and do what they think is right. In fact everyone should. I'm happy to oppose SOPA but I'm not joining a mob.
No, they should be patted on the back for not being rash.<p>A SOPA blackout by Facebook/Google would show just how much political influence they have when they decide to abuse their position. Once that's made clear governments around the world would quickly act to remove that power by various new laws and regulations destroying both companies.