I did find that remark quite shocking, as a matter of fact. This idea was de-bunked when I was at uni many years ago. Time and again IQ tests have been shown to be highly biased towards a certain kind of intelligence and surprise, surprise white males do really well. Could this be because IQ tests are constructed and set by white males?
Tennis-girl and Joe make valid points too.
People are far too accepting of so-called facts and use them to prop up their own particular prejudices. But there again, the education system hardly encourages independent thought. Heaven forbid we should have a free thinking population that challenges perceived wisdom.
There's nothing shocking about it. People simply reported research, which may very well have been biased. No one has formed any concrete conclusions here, so getting worked up is pointless. I can't tolerate that sort of politically correct attitude. We should be free to ask the question without people throwing their toys out of the pram.
Your bias is evident. You readily accept research from years gone by that supports a conclusion that sits well with you, but you dismiss this research without even having read it. All knowledge is tentative, so your reaction is completely uncalled for.