McWhorter: Yet it’s reasonable to ask of Murray: Why are you airing this information? To what end? And it’s here that I find Facing Reality weak.
Is it though? Is it reasonable to ask this of Murray? He is saying things that are tabooed in the society. He is seeing that the taboo is getting stronger and that his previous attempts to address it have been met with hostile rejection; so he is hoping (as I believe he mentions in the introduction) to phrase this attempt in such a language as to make it the least offensive to the liberals (somehow he pictures them among his target audience) and generally as objective as he can make it. At least as he sees things. Judging by his age, he may not have many more opportunities to get his point across. He may, of course, be completely wrong.
McWhorter: We read the first six chapters and internally ask, “Okay. Let’s say these things are true. What now?”
Oh, I don't know. Does there have to be a what now? Do you ask yourself what now after you have read how humans have evolved from ape ancestors? Or how brain's function declines with age? Or about heat death of the universe? What now? Go on with your life. Make a mental note of his factual argument or find a better one if you are unsatisfied with or disturbed by his. I mean, what did you expect when you opened a book by Murray?