The article repeats several times something along the lines of "money trumps genes" at the beginning, but it does mention what you're saying later on when talki

The article repeats several times something along the lines of "money trumps genes" at the beginning, but it does mention what you're saying later on when talking about why IQ tests were deceiving: "Such tests can’t be administered at conception, birth or infancy — before high-income parents have given their young children a head start by feeding them well, reading to them at higher rates and enrolling them in more activities. “Two people who are genetically similar can have strikingly different IQ test scores because the richer ones have invested more in their kids,” Papageorge said. When you look at the raw genetic potential of the two people, though, “you see they’re actually quite similar.”"