So... Outers either know about the Shadow world creation, or are the ones who kickstarted it. So not only do these smoothbrains know that the judgement day is nigh, but they also want use it as a way to kickstart their revolution, even though it's the fucking judgement day, in the face of which their petty struggles are meaningless?
It's pretty fitting that their posterboy looks like a shiragaki rip-off, because he is an equally shitty villain.