The first time i played NMRIH i remember there was a group of two guys that would kill everyone at spawn then stay at spawn and spam on the mic. So FF with no admins is absolutly terrible. I think by default it should be off (If FF is still a giant problem on NMRIh) but if an admin is on they should be able to creat a vote to turn it on so that FF is only on when an admin is on to deal with any problems that occure.
Zoeyz