Yeah, not the best analogy because it should not be that way to begin with. TONS of griefing went on back in the way day and people got over it. GMs might as well temp ban the guilds while the one on rotation raids. If you're gonna interfere at least do it right.
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On a serious note, it should just be FFA. If a guild trains/griefs another to get their way then you lose, stay out of zone and get your corpses later. Eventually guilds will form their own rotations and agreements after getting sick of the BS. If you keep trying to contest a certain boss and keep dying to train/griefing then it's obvious you shouldn't be competing that week.
Do you think when man first wanted to stand against chaos and savagery they cried to God for government/tribal organizations/leadership? No, they did it themselves. That's an analogy.