But I have a guess. It is because Smith's motive was not simply to kill minorities, it was to return to all the places he had felt inferior, all the places which enraged him. Champaign-Urbana rejected him. Indiana University rejected him. And so he returned with a gun.
Racism is about weak people feeling weak, and blaming someone else.
The Benjamin Smiths of the world are full of hate, full of resentment and are powerless to control it. They have the minds of stupid little boys. Smith must have lived in. If only he had decided to leave it by himself. David Klepper is a recent graduate of the University.