I don't see how it cancels the fact that his (presumably) black/arab student excelled in maths and he willingly admitted it.Eh? That makes no sense. The fact of acting as teacher to some children does not preclude one's holding such opinions of those children, or, more significantly, of the groups they are members of.
He has made himself quite clear on the issue in hundreds of posts in dozens of threads here over the years.
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