There was a documentary made of the writing of his book, where he is interviewed by Melvyn Bragg, who I find is pretty good at wheedling out good answers.
Here is a clip that explains his view of what the new writer ought to be in the 21st century.
I found it interesting. (Though scratchy audio with poor sibilants).
'The true aim of writing is to enable the reader better to enjoy life, or better to endure it.'