I absolutely agree, everything on my part is nothing but speculation. I try to look for parallels wherever I can, but of course the hardest thing to predict for now is what the God Hand even want.
I think there's a possibility for both, in a way. The previous "God Hand" wasn't really the God...
This episode was phenomenal, but there's one question that has been especially on my mind since I've read the episode and I don't think I've seen anyone talk about it yet, hopefully it's not a stupid thing to ask. So could it be that Miura is not only giving us backstory, but also foreshadowing...