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It might have worked if they had followed the book
on 4 June 2017
It is a 1,000 page book which builds up how a savage could plausibly take back the earth. Due to the greed of the security chief who wants to mine some gold that his people can not access, and educates the savage to a level far beyond current human accomplishment to teach the savage how to use advanced technology.
The Psychlos of the book have impenetrable armour, shields, and teleportation based travel but everything is ancient and badly maintained. They also have a completely dysfunctional society caused by brain operations to keep their secrets which turn them into psychopaths.
The film assumes that the revolt used human technology like jets that have been sitting around for 1,000 years and still work. It might have worked if they had followed the book, but they did not.