Another player and I found that anyone with /espawner can change hostile spawners to passive spawners. Once they are set to passive, they cannot be changed back to hostile. Worse, the person issuing the /espawner command doesn't have to be the owner of the island the spawner is on. This means people with /espawner can grief hostile spawners on other players' islands. This should probably be fixed so people can't ruin other people's spawners.
If this were to occur, staff would deal with it. Luckily, OSB has a fairly nice community and wouldn't do something like that. People with the higher ranks also tend to be more sensible and wouldn't risk their permissions just to troll somebody.
