Chris just comes right out and says it, "What would be so bad about just moving on to another city, and letting the pure take over this place? Is a dog park worth dying for?" Even after his venture onto the otherside and meeting their packs totem Chris was still unsure of the reason why any of this was worth the effort, who really gave a damn if the Pure claimed a dog park anyway.
You mean, aside from the game is set in this city, and that's The MetaPlot?