I think that one of the fundamental things that bothers me about Andy's post is the idea that we are "perfect and flawed", "sinners and saints" - at the core.
I disagree. I believe that we hold the capacity for all, that we can act in those ways, but at the core we are light and spirit. With some exceptions, I believe it is mostly a matter of self journey through the layers- including those of darkness and those of the lies we tell ourselves both about the light and the dark- to find spirit and source to connect to that central core of light.
We are not- any of us- inherently dark, bad and evil at the core. Those kind of judgments separate us from others and our humanity.
As the author he quoted says; ".. if you ride these monsters down, if you drop with them farther over the world's rim, you find what our sciences cannot locate or name, the substrate, the ocean or matrix or ether which buoys the rest, which gives goodness its power for good and evil its power for evil..."
Notice she did not say that that the substrate, ocean, matrix or ether contained the monsters and darkness. We must go through those layers to get to the most important parts of ourselves.