Couldve swore there was a cover of enel leaving the moon where the moon guys he met built him another arc. I see what you mean in your other points. I'm sure they wouldn't leave the positions just plain open. I know the story hasn't developed yet to say exactly who. I was saying as they are now the seas are unbalance, you are saying that is too big of an assumption seeing as how time has passed and we just don't have that type of info yet.