This is a very interesting story. What I'm left with is the question of 'who are these people, really'? Is there really a considerable portion of American (or we could say Western) society that is practically illiterate? This seems counter-intuitive to me, I thought it was hardly possible to function at all without a basic understanding of the written word. If these people are out there, I have certainly never had an…
How many things in your life can you fix by yourself? The typical car mechanic is far less dependent on others to keep things running.
> Isn't academic aptitude strongly correlated with ability to succeed in the world at large
No.
In fact, even in the areas where you'd expect academia to be most relevant, half of the genius' are academic failures. (The academics do dominate the middle, but that's probably because academia is used as a filter and that keeps out all but the best of the academic failures.)
> the educational system is a massive failure
Not massive, but anything else that "succeeded" as well would be considered a failure. However, the bigger failure may be outside the educational system, expecting things from it that it can't deliver.
Then again, that may be academia's fault. Who else would think that the ability to comment intelligently on the wizard of oz has broad predictive power.
FWIW, the guy who wrote Babylon 5, which is full of literary representation and symbolism, ie abstraction, says that he can't handle "let X = 5".