If you have seen it, I was gonna say - the difference is that in ROD the protagonists were attempting to *prevent* someone from implementing a world-conquering scheme that would involve eliminating the self-determination of most of humanity, wheras in GB it's quite possible that the scheme has already gone into effect and they're trying to undo it. In either case, The Power Of Love will probably prevail. Maybe Ban's vanishing will alter history enough to somehow retroactively defeat them?

... maybe they THINK she's the loyal opposition and she's actually trying to blow them to bits.