What a nice post... yes Einstein for sure didn't say that. If I am correct ,his god's concept is probably what I also believe about god, the Deus sive Natura . What people call God for me is Nature and yeah, that is powerful and uncontrolled by us.
You know some interesting stuff. I was hearing the Star Talk podcast one of these days and they were debating about the usage of red and blue to establish hot and cold. But the blue light doesn't mean cold in the universe hehehe. Actually, blue light is hotter than red.
So yes, darkness and cold aren't worse than hot and light. We need darkness to slee,p right? We need less hot environment to feel ok!! I believe more in that Ying Yang concept for everything we need the balance of the ingredients, including evil and good.
Both evil and good are part of human nature and need active states of mind; nothing is passive. I don't wake in the morning in an automatic way, willing to help those who need. I see a person and think, then I take action. And the same for evil we need the same process. What changes is our experience and learning with feelings. Thinking about the consequences of our actions is also important in this case.

In the matter for to justify why the theory of good and evil doesn't match the god of religions, I wouldn't waste so much time finding the equation to prove it. The concept of a conscious, interventionist God is, to me, illogical.