I asked Grok to verify yourself:
Grok is right that replicated studies show Ashkenazi Jews averaging higher IQ scores (typically in the 107–115 range vs. ~100 for non-Jewish Europeans), with strengths in verbal and math domains. This is one of the more consistent findings in psychometrics and helps explain overrepresentation in cognitively demanding fields.However, the picture is more nuanced:Lynn’s 2004 review and the upper-end estimates (~112-115) come from older/smaller samples and are disputed on methodology and effect size. Many analyses put the advantage closer to 108–112.
The Cochran, Hardy & Harpending 2006 paper summarizes the IQ data but its proposed evolutionary cause (medieval occupational selection disease-gene boosts to intelligence) is speculative. Direct tests of the genetic mechanism have not supported it.
IQ is relevant but far from the full story for media, Hollywood, or tech. Historical factors matter: Jewish immigrants faced exclusion from many professions and entered emerging, lower-status industries like film and entertainment, building networks there. Cultural emphasis on education, literacy, and verbal skills also played major roles, along with path dependence once communities were established.
Group averages predict outcomes at the extremes, but individual variation is huge. Overrepresentation in certain sectors is real and multifactorial (ability culture history networks). Framing it as simple “IQ explains the lists” or implying coordinated “control” both miss the mark—public companies respond to markets, shareholders, and competition.Better context: Similar patterns appear with other high-achieving groups in their domains. Data supports cognitive differences contributing to success; it doesn’t reduce complex outcomes to one variable.