Um, can you explain how such a low entropy state could exist, much less begin increasing without an impetus?
You're missing the point. The value of the initial entropy of the universe doesn't matter: it is whatever it is. The issue of importance is that entropy always increases. How that law came into existence is not a matter of physics, it's metaphysics. And just as I argue elsewhere on this thread, material reality is not a necessary reality, it is a contingent reality. Physicists (like Stephen Hawking) who argue that the material evolution of the universe don't require God might very well be correct. But their point is also irrelevant, because it doesn't tell us where the laws creating and driving material come from, and that is what matters.
A Christian would argue thus: all this "stuff" is just "stuff," and in a metaphysical sense as it applies to the question of Creation is purely incidental [environmental, if you prefer.] It came into existence by God's Word. That is all that is required. And that is what the laws of physics are.
[Now there is another part of this, outside of what we are talking about, which is this: God does not do anything for no reason. The universe has the specific characteristics it has, and the specific laws that govern it for a reason. The actual form He has used to actuate the material world matters, for reasons that are completely unknown to us. But that doesn't alter the present discussion, whose point is, in arguing the existence of God, you are straining at a gnat from a metaphysical point of view when you ask the question why was the entropy low at the start of creation. The real question is why is there entropy, and why does it increase, and the answer is to make time possible, without which our flesh cannot exist.]
Government subsistence funding.