Right: I don't understand God. Honestly, I don't even require the "fully" adverb, but some would add that.
I appreciate your candor here. I think there's a lot about god that most christians don't understand...but when you press them into that corner, the response I typically get is some version of "I need to go return these movies I rented....but I'll gladly answer once I'm back!" It probably goes without saying that they don't come back.
I tended to attribute this to the idea that they use god as an emotional answer...not a rational one...since they find the "blindspots" in their worldview frustrating. It's better in their mind (perhaps even subconsciously) to have any answer instead of just saying "I don't know...and probably never will".
(Maybe it's misleading to say, "Who knows?," but I think an astrophysicist would be well within his rights to give that answer if you asked about the density of the singularity which generated our universe.
I don't see the connection you're making....so I'm going to make a point about appeals to authority. It's a totally reasonable way to find an answer...as long as that authority you're appealing to is itself valid. For example, you wouldn't appeal to your garbage man for an answer about the wiring in your house.
This problem is multiplied when there is no clear method for attaining a particular kind of knowledge. God is a religious concept...that's obvious...but does that make a religious leader/scholar/teacher an authority on god? It's certainly possible....but I'd need at least a basic understanding of the method by which religious knowledge is attained. One method is through texts...or more precisely, words. This has all the limitations that come with vague generalities and interpretation of any religious text.
So what's the other method? Revelation. What is revelation? Understanding given by god himself. That too though....runs headlong into a massive problem. To put it bluntly, there's no way that I know of for verifying knowledge through revelation. It's literally identical in appearance to "knowledge" that is entirely fabricated/imaginary.
As such, it's an awful method....and one that itself seems to contradict many ideas about god. If god's message is so important...why would he deliver it through revelation? If god cared about you understanding his message...or even spreading his message...why would he use revelation? Clearly, god could deliver some previously unknown knowledge of importance that could be independently verified and completely unexplainable except by revelation....but it appears as if he never does. Instead, people are asked to have faith in revelation...verification is denied in christianity as a means of separating the faithless.
That leaves folks like myself unable to rely upon any authority for interpreting biblical text. It leaves me with more reason to disbelieve in revelation than reason to believe in it.
With this in mind...I hope you'll understand why I'm just dismissing the rest of what you wrote. I don't think you'd be able to demonstrate a rational basis for these beliefs....and as you've already admitted to holding an incomplete conception of god, I'm not sure what more there is to say on the matter.
If I'm mistaken, and you do have a completely rational or logical basis for the description of god you provided....please share. I do apologize for rushing ahead towards the end of this conversation.