Unless you genuinely believe that [xxxx number of] OWS supporters -- on the OWS boards; on DU; etc. -- are all involved in some fiendishly intricate and diabolical sort of mass practical joke, or some unfathomable form of online performance art: yup.
YMMV, however.
They guy who posted "he's one of us" signed up for the site today.
I could sign up for that site in about 5 seconds, and post in that thread that "Holmes was an agent controlled by KentTrappedInLiberalSeattle from Free Republic, who told him to conduct the massacre, that's established now."