It’s interesting because they got so much right but they just couldn’t quite imagine the computer so they have humans pulling levers, remotely operating machinery, being carried by advanced surveillance helicopters… Perhaps this hints that our vision of the future should have us doing less.
Or they imagined that such devices would be much more powerful but much less general than what we actually have. The card showing books being shredded and fed into students by headphone looks like a computer to me even though it is cranked manually. Quite a lot of my software development career was dedicated to programs that transformed knowledge in one form (specifications and domain expertise) into knowledge in a different form (detailed drawings, bills of materials, and descriptions of the final product.