Also, a lot of us are sort of 'regulars' if you will, back from the old Guild. So we're familiar with the sort of shenanigans everyone else likes to get up to.

*Leans on the non-humanoid aliens nonchalantly.*

That said, don't be discouraged. As Darkspleen just alluded to, even those who are recycling nation concepts are typically changing several facets of them considerably. I've read of two of Darkspleen's Commonwealths before, and both were virtually indistinguishable from each other.