Why the Soviet Computer Failed
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Sounds as though somehow their intelligence was relying too much on the limitations of Zuse's Z4, and oblivious to ENIAC and Univac1.
Reminds me of the (ex-military) school superintendant who told me in the early 80s that he'd been to a conference in Arizona where the experts told him that the world wouldn't be needing many programmers in the future.
If you're interested in this subject, do yourself a favour and find a 'proper' article to read.