Well, I'm not a scientist, so I can't really argue with that. One thing I found interesting about the article was the claim that, among scientists, opinion is divided on the biological reality of race, that there is considerable variation on this throughout the world, and that opinion in the west seems to shifting back toward the biological reality. The issue is controversial among scientists, yet the received wisdom among laypeople is that it's settled. I suppose it's rather like psychoanalysis, which today is treated with deep scepticism by people in the field but is deeply embedded in the popular consciousness.
As an aside, I've noticed how much clearer things have become since I started reading 'racism' as 'heresy' and 'racist' as 'heretic'.