I always believe you have to show the symbolism of a civilization, whether it be the cave drawings or somebody drawing in the sand in Darfur to show a massacre.
The twisty nature of psychic attack - are you being attacked, or did you bring this attack on yourself? - speaks to me of an American cultural paradox we all grapple with. There's the rampant litigiousness of our society, and the desire to blame others for our misfortunes.