Or the crew simply staged a friendy reminder to crew control that they where still in the crew room, and as a result got moved to a lounge.
But the picture got spread and because both sides are full of hot heads who don't know when to be the better person and pipe down, it got blown out of all proportions. Culminating mgmt had hoped with the release of a surveilance video for the benefit of the general public, that with afterthought could lead to no good since it is crew unrest not customers that have been causing disruptions lately.
Sometimes thinking twice before talking is required both when it comes to announcing cancellations without specifics and airing internal laundry in public.