And I take it you mean justice.GOV, right? ;)

It was in retaliation for Megaupload, as was the concurrent attack on Justice.org. More is coming. Meanwhile, we've just initiated OpDonkeyPunch to damage campaign raising abilities of remaining Democrats who support SOPA. This will start with info-gathering followed by an experimental campaign using Daily Kos, Twitter, and search engine optimization techniques whereby to forever saddle some of these congressmen with their record on this issue. Other measures, such as doxing, will also be taken.