REKT did ask for their own server which is privately owned apart from the HHG network to be linked through bungee, but was never accepted. I would think that it would be hard to have a separate server like this due to the permissions limitations. People are added and removed from teams all the time, and the staff have enough trying to manage what they already have. It would be difficult for them to manage who has permission to access that server. Not to mention that it would cost money, and there wouldn't be any guarantee of quality maps (no matter how skilled the team is).