> It happened astonishingly fast; within about five years a knowledge skill that I had completely taken for granted as a basic requisite in an undergraduate was diminished beyond recognition.
Then the second half
> A good way of writing documentation for human beings today will still be a good way to do it in a few years’ time.
Don't these contradict each other? Documentation that worked well for us who grew up pre-Internet is not working well for "web natives".