Most mass shooting gunmen live not necessarily in a world of psychosis but rather by an ethos of hatred and sadism. These killers adhere to the philosophy of Iago, who proclaims "I am not what I am," a nihilistic credo that attempts to refute Yahweh's life-affirming "I am what I am" code.
Expelled from the Garden of Eden, Adam and Eve reflect on their new circumstances, find joy in koalas and the naming of sand, and happily agree that Eve can't be blamed. Too bad posterity forgot.
In its original context, sin is not a personal weakness but a necessary stumble in the road toward whom we are meant to become. Looking at it this way may deepen our experience of life.