It's also problematic because the workplace inherently has an underlying adversarial quality that can provide a never-ending supply of "microaggressions" and various forms of otherings that effectively sow more division than actually get non-whites anywhere.
The author is particularly clever for writing a book for the target of anti-racism, because the market for "look who's racist" media is thoroughly saturated.
Since race is becoming a greater and greater issue, I imagine it will continue to become a get-rich-quick scheme for some adept to the English language, or the language of CorporateSpeak.