[Septimius Severus]

Wouldn't it be in the interests of the normal nations helmed by the less experienced players to at least coordinate with one another in the beginning against the overlords before fighting it out amongst themselves?

Having a co-admin is a great idea, especially for games with large numbers of players. Even for smaller games, having a co-admin or at least a backup admin is great to have, just in case life gets in the way and you cannot access the Internet for some reason.