Maybe you are completely right, but why than should it not be allowed for some to try
This:
the main difference - such attempt would not need approval of mother realm
It is 100% intentional that colonies have at least the implied support of the mother realm. It should not be possible for you and three buddies to sneak into a realm, grab 20 recruits each, and then go off start a new realm without the parent realm's approval. If you're interested in the reasoning behind this, then feel free to search the DList archives for the discussions about it.
