Disagree. It is helpful to know that different cultural groups have different IQ averages. The point of the Bell Curve was that IQ (which is a measure of the ability to learn) is not genetic but cultural.
Thomas Sowell made the same point; black households in comparison to whites and Asians expose children to fewer spoken words in the first 3 years of life and tend to read to their children less than other cultures. Focus in the household is often not on education. This impacts the child’s ability to learn new concepts later.
Differences in IQ averages among ethnic groups is not genetic, but reflects cultural differences in the approach to knowledge, language and learning. If we don’t begin to acknowledge the problem and its causes, we will not address the ethnic achievement gap that plagues us. Pouring more money into public education won’t solve the problem until we have black households focusing on education as a valuable goal and institute changes within the household to address it.