Ok so why after you send an app for a staff position you need to wait like 1 week or more or even dont get a reply to your app? It is so hard just to reply to this PM with app with a an answer like Yes or No?
applications are not decided by one person. the application is posted to the staff board of the group that you're applying to and they all discuss it and come to a consensus in order to ensure they made the best possible decision