Here is my guess: the people who filed the notice know it is bogus, and also know that to contest it, the PopcornTime authors would have to provide their real n

Here is my guess: the people who filed the notice know it is bogus, and also know that to contest it, the PopcornTime authors would have to provide their real names and contact info, and the lawyers want that info so they can sue them for contributory copyright infringement.