Think of it this way.
You need my mother's lasagna to live.
Without it you will die
You live a long ways away from me
You don't like my representative that tells you what to do
I send the lasagna to him
Now despite you not liking the person I put in charge you need to obey him or you will die, because I only send the lasagna to him.
It ensures obedience to ...
I think that BBlake answer correctly explain one of the main aspects: we usually see the state-of-the-art as protagonists, so it is safe to suppose that they can better perfom in battle.
But I think that there could be also other factors.
Single ship battles
When talking about single ship-to-ship battles, you should consider that:
You are in a situation ...