But irrelevant, by definition...and therefore pointless and inflammatory.
If someone wishes to become a rocket scientist, raw intellect is probably necessary. But observe any number of professions where the typical bear is not all that bright...college professors, in my experience...lawyers...doctors...each have their share of dim bulbs.
If someone wants to be successful it requires drive and determination, not raw intellect.
If there's an issue, it's not racial, it's cultural.
"The studies' general findings were that the IQs of children of a particular race did not differ significantly depending on whether they were raised by their biological parents or by adoptive parents of a different race."