CNTs wouldn't even be a new, exciting, or resource-insensitive article of technology in 2080. 

Seriously, 2080 is 65 years from now. By 2080, railguns and lasers won't be revolutionary, powered exoskeletons will pretty much be a mature technology, and fusion power will no longer be a novelty. The chasm between 2015 and 2080 will be astronomically more pronounced than the rift between the modern era and the 1940s (which is already mindbogglingly huge). 

I'm seeing a gross underestimation of humanity's resourcefulness--specifically our capacity to actually record useful information in books (which will outlast any digital storage medium by a long shot).