"Armies cost different amounts of money depending on where you are and what you do," Kerrigan said, conversationally. She had a feeling 'mine x amount of minerals' wouldn't be much use to most of the students. "What I'm interested in is strategy. The basics of resource management, without the numbers. If any of my students decide to think nasty things about that, feel free to dub them guinea pigs."

Ah, to be Zerg and biologically incapable of morality.