The central thesis of this article is the need for spiritual preparation in case prevention fails, and I don’t disagree with that, but the following statement goes way too far and is dangerously foolish:
Prevention — as opposed to preparation — neither is nor was possible at Virginia Tech.
Because there is no defense against malice in our world.
Perhaps the attack could not have been prevented, but much of the damage could certainly have been prevented. Fatalities could have been drastically reduced if students and teachers were armed.