One problem is that for cultures, good and bad tend to be some cosmic conflict between the forces of righteousness and evil, while in nature, it's the basic biological binary of beneficial and detrimental. The1/0 of sentience.

This is because the function of culture to get the larger society functioning as a communal super organism, thus needing that clear demarcation. While nature is some enormous computational process, with endless feedback loops, trade-offs, varying shades of grey, as well as colors of the spectrum, such that only the present is the act of determination.