You could concievably lay siege to it. That would be really interesting to watch. Seems like a minority of the players were in the griefing camp. So the majorit

You could concievably lay siege to it. That would be really interesting to watch. Seems like a minority of the players were in the griefing camp. So the majority could coordinate an attack where they built staging platforms successively higher, with similar attack vectors. But this would be very hard, since the "griefers" had both lots of resources, weapons and the advantage of the high ground.