well, I can see both sides of this, I was out looking for a spot to claim only to find full islands claimed in 4 different zones I went into but I can also see once you do get your claim not wanting it jacked. I think they should only allow 2 to 4 claim flags to be able to be placed and have a decay rate akin to that of the structures. if you try to contest an active claim it should take 24 hours for that claim to be able to be contested and then time for it to go over to the player.