Re: You already posted two links
I notice when I plug in references to things like this that the responses seem to focus on the author's attitudes, or the book's title, or something else.
There is damn little said on whether or not the author is right or wrong. I read the book, and the author is right.
"Appreciation for color" is an interesting change from the usual "there is no black and white, just various shades of gray" mantra.