Well, Valorim was kind of like the Exile of the Empire. It was a frontier land where some misfits and rugged rougish types moved. All of the settlements were fairly new, and the only important resources were the gems around Monroe Province (where, in no coincidence, Baziron commands). The one army that's there (3rd Empire Army) is content to sit back and survive in its little cove, and the Alien Beasts really are a threat to Empire soldiers.