I think you understand very well that man’s level of understanding of morality and all other topics necessarily exists on a significantly lesser scale than God’s level of understanding. Whether you think of God as real or as imaginary, the difference in level of awareness is part of the equation.
This fact is logically necessary as well as scripturally based: “My thoughts are not your thoughts, nor are your ways my ways.” (Isaiah 55:8).
[just as I predicted in my previous post!] But the same Bible you believe in as the inerrant word of God says man is an image of God and God-like (in God's likeness), and it also says "we have the mind of Christ" contradicting Isaiah (what else is new!). If you have the mind of God then his ways must be your ways as well. In which case, prove it! But if you don't (can't), why should I believe you or your holy book?