Why hasn't anyone caught on to this, it's so obvious! They both move in, kill off all opposition, and recruit the populace into their monochromatic fighting force. If you deal with them, they have the power to alter the deal, and you'd just better pray they don't alter it any further.
Plus, just look◊
at their emblems◊
All who oppose them will witness the selling power of a fully armed and multinational corporation.