1. IQ scores differ between race because of inherent differences in intelligence.
2. IQ scores differ due to outside factors such as racism and socio-economic factors.
Point 1 is racist, you provide no proof for it, and all studies I can find indicate that this is not the case.
So that leaves us with point 2, which is precisely the point the article is making.
P.S: Literally the first result when searching for "socio economic factors iq": https://pmc.ncbi.nlm.nih.gov/articles/PMC4641149/ It probably does not explain the full difference because there are more disadvantages such as racism, cultural factors.
1. IQ scores differ between race because of inherent differences in intelligence.
2. IQ scores differ due to outside factors such as racism and socio-economic factors.
Point 1 is racist, you provide no proof for it, and all studies I can find indicate that this is not the case.
So that leaves us with point 2, which is precisely the point the article is making.
P.S: Literally the first result when searching for "socio economic factors iq": https://pmc.ncbi.nlm.nih.gov/articles/PMC4641149/ It probably does not explain the full difference because there are more disadvantages such as racism, cultural factors.