If we all reacted the same way, we'd be predictable, and there's always more than one way to view a situation. What's true for the group is also true for the individual. It's simple: Overspecialize, and you breed in weakness.
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profile pic sources:
FG: http://salvadortrakal.deviantart.com/art/Cyntopia-Ronin-Concept-Art-471175840

BG: http://anndr.deviantart.com/art/cyberpunk-618681827

helmet: http://pngimg.com/upload/small/motorcycle_helmets_PNG9630.png