So Jesus IS god then? that's what I said...
You also said He is (somehow) not God at the same time. Let's remove that part, ok? He is fully human, which poses some ... difficulty in understanding. This is complex enough to have it's own terminology, called hypostatic union, and I think I'm correct in saying we can enter into this same thing via a process some know as theosis. Lots of reading can be done on those terms, that would probably be more direct than posts here.
Sin is on "our shoulders" you say? Why should I or any other human being alive have to answer for something that two other humans apparently did thousands of years ago?
Since you asked, let's compare this to what I actually said.
You coined a phrase, about God "magicing sin away." I said the only way that happens is by something we do, and it's called repentance. That does not equate to sin being on our shoulders, as you state. Paraphrasing is a good technique, as long as you're willing to listen when your attempt comes back as a negative. Repentance is a decision we make, a mindset we maintain, with actions that correspond to that. This is how people stop sinning, which is a topic you brought up. Since you were complaining of confusion, it would be good to have clarity on this.
Adam and Eve's sin is not on our shoulders, and if our own sin were, we would be powerless to do anything about it. Only via Jesus being our burden-bearer, does any of that change. I'm not sure that you're interested in learning how this works, but it can be learned. (At least to some extent. Whether it might also take some teaching by the Spirit to understand or not I can't vouch, not having tried it both ways.)
Leaving Adam and Eve alone next to a tree they weren't supposed to eat without telling them WHY they shouldn't eat it
This is nothing but a strawman argument. Surely you realize that? I mean, you couldn't come away from reading the Bible with this idea. Did you read it on Ihategod.com and just swallow it hook, line and sinker, or what?
You say that he didn't get anything wrong yet you also believe that we're "marred by sin" well if God is apparently all knowing and all powerful the why didn't he see this coming and correct his "Human blueprint" if you like and make it physically impossible for us to be "marred with sin?"
You say that like you think it would be a good thing. Almost as if you think your idea would somehow be better?
Got news for ya; it isn't. It'll be interesting to see how you process that info ...