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Colossus' is only able to implement its plan because the US, and US-aligned nuclear powers, agree to subordinate their entire nuclear arsenals to Colossus' full-authority defence control Not true. It was both the US and the Soviets(creating Guardian) that did so, each competing with each other for the hope of reduced threat (the logic holds for cold-war logic, removing emotional, mercurial humans from the loop). There is no requirement for anyone else to sign on at that point. The US and the Soviets held an incredible number of nuclear weapons at the time, about 40,000. Both Guardian and Colossus were in nuclear-safe bunkers, other countries having nuclear weapons would be meaningless. Should any country try to attack, what would they do? Destroy random cities in the USSR and the US? To what end? Destroy launching sites? The UK had a few hundred weapons, many of them plane carried. France had a few, China a handful in the 60s (when the movie was filmed), none of that would be enough to destroy all nuclear launch sites. Not to mention, try it, and your entire nation would become nuclear ash. Both complexes were self-repairing, had self-contained power supplies, and so on. I think this is a fair threat model. And both Colossus and Guardian seemed to always be one step ahead of "the humans". They were tied into communications world wide, monitored everything telecommunications and radio wise, knew all secret codes used for communication, and even the direct lines between the US and the Soviets were eventually tapped (on the machine's orders). Should some nation make preparations for war against Colossus, it would surely be detected. And blamo, no more nation, with a stark warning to others. Of course, there are always plot holes and unrealistic situations. However I find it holds together, as much as any movie does. At the very least, it engenders conversation. |