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This is a totally wrong topic to actually ask this question, should've made a new one instead.
Anyway - Have you thought about the possibility that the person has done his quest also after 2 AM? Because that is when you are able to gain some addional points right before the Alliance reset.
If that's the case and you including some of the other people above didn't do any quest after 2 AM (or they did but might've skipped some) And that means that this person that got 1 and has exarch, did actually do everything and has managed to get rank 1 by that because it is a shitload of points.