The EQ downtime provides a unique opportunity for the Dev team to radically patch I would think. An outside security team is doing the investigation/fix to my understanding so that leaves everyone else still at work.
From a public relations standpoint this would be a smart move. Coming back to a world event would be a nice carrot so to speak.
A bristlebane theme would be a nod to the current shenanigans stopping us all from playing...
What could/should they get done while they have us players out of the way?