It's theology

In conclusion, Genesis 3 is more about the encroachment of disorder (brought about by sin) into a world in the process of being ordered than it is about the first sin. It is about how humanity lost access to the presence of God when its representatives tragically declared their independence from their Creator. It is more focused literarily and theologically on how corporate humanity is therefore distanced from God—alienation—than on the sinful state of each human being (with no intention of diminishing the latter fact).—The Lost World of Adam and Eve, p. 147