God's injustice towards Adam and Eve

[John V]

That would depend on what it revealed. I find it an interesting story but the lack of detail allows for a broad range of interpretation.

So it's possible to interpret it in a fashion which reaches a reasonable result.

I like the JW's explanation: they believe that the Tree of Knowledge was just another tree; its fruit did not contain some magic ingredient that would expand anyone's mind. What made the tree 'special' was that god commanded Adam not to eat from it on pain of death. The tree was a symbol of god's sovereignty. As long as they stayed away from it, Adam and Eve were making it clear that they respected god's right to make the rules and guide their actions.

When the serpent tells Eve that she will "become like god, knowing good and evil" he is really telling her that she would become like god in that she would be able to determine for herself what was right or wrong. Eating from the fruit would be her way of declaring her independence from god, and from his rules. Hence she would 'know' right from wrong because she would decide what was right or wrong.

It doesn't quite account for why the couple suddenly realizes that they are nude and decide to cover up, unless it's a metaphor for their guilt.

Could be. You've complained that they didn't show remorse (not sure why - people frequently do wrong and don't show remorse), but their hiding could be indicative of shame and remorse.

But that wouldn't square with the idea that they had knowingly decided to reject god,

Eve didn't - she was deceived. Adam did. But what's the problem? A rejection isn't necessarily total and final.

nor does it explain their apparent lack of any emotional attachment to god. That one seems odd to me-- did the writers just not consider that at all, or did it simply not make it into the version that we have today?

IMO the hiding does show that they had had emotional attachment to god.