Anonymous as a whole isn't juvenile, though many members certainly are. The point, as ErrantX replied, is that they are being deliberately absurd, and this is

Anonymous as a whole isn't juvenile, though many members certainly are. The point, as ErrantX replied, is that they are being deliberately absurd, and this is a powerful one, as it calls out the absurdity in Scientology that is not deliberate. This is likely too subtle a point to actually impact anything, sadly.