There is of course a time to be anonymous, when exposing a powerful entity of criminal behavior. Usually that is done via leaking info to an interested press. If the "troll" wishes to accuse someone of being a pedophile then he should put his name to the charge and back it up with evidence.
You'd think someone who was here for LAT & WP vs FR would understand what's going on in this case. The union guy could care less what he was called. The point is to get a court ruling as a precedent.
Haven't you noticed all the different "news" websites forcing the commenters onto Facebook? why do you suppose that is?