It is the passive voice. Which is to say, anonymous groups can only describe things it does with a necessary use of pronouns:
The amorphous nature of Anonymous can also cut the other way, however. If Los Zetas abduct and execute random patrons at an Internet cafe, behead them and place Guy Fawkes masks on their heads, it will be very difficult to prove that they were not associated with Anonymous. Los Zetas also could execute random people and claim they had provided Anonymous with information in order to intimidate people from actually cooperating with Anonymous. As Anonymous noted in its Oct. 31 video, this is dangerous business indeed.
Read more: Anonymous vs. Zetas Amid Mexico's Cartel Violence | STRATFOR
It is going to be an extraordinary development when groups like Anonymous hack politics. But it will only be significant when the actors come out.