I think there's too much oversimplification of the IQ/mental retardation controversy fueled by those with an agenda. Why not just basically admit that there is a small percentage of autistics who are very highly intelligent and capable, while there is a large percentage of autistics who aren't and are very impaired, and then make that understanding prevalent among the public at large? Nobody has said to rely on IQ for all predictions, and many who gain opinions about IQ based on the popular press don't know much about the IQ test, and aren't aware of many of the facts that actual professionals could tell them.