Well the discusion about the new image was very LOOOng . I have come to conclusion . There is a red team a Blue team and a freelancer team . The freelancer team can kill anybody and when they kill ,ore reds (like in the pic) the part of the armor becomes blue so they can ride in hogs with them , etc.
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They couldn't create Fremen, they obliged to help the Altreides because they hated the Harkonnens.