There's a reason it's considered a TRIAL rank. They're not forced to stay. They're there to test out the rank, see if they like it and see if it's convenient in their life. I resigned three times, I could care less "the state of the server" the server doesn't do anything for your future. It won't do your homework or pass your exams. It's just for fun. It's a game. While people resign, some come onto the team.