Well we had this article, severely flagged it seems, about a guy who raised 12 children. https://news.ycombinator.com/item?id=20027423 https://news.ycombinator

Well we had this article, severely flagged it seems, about a guy who raised 12 children. https://news.ycombinator.com/item?id=20027423 https://news.ycombinator.com/item?id=20027423 His "wife has several degrees in math, accounting, business, statistics" according to another article he wrote: https://qz.com/248623/how-to-talk-to-your-adult-children-so-they-might-actually-listen/ https://qz.com/248623/how-to-talk-to-your-adult-children-so-... His kids all went off to college, married likewise, and are now popping out grandkids at an astonishing rate. His youngest kids are still in college, and already his 12 kids have given him 18 grandkids. That is 1.5 each, after an average of about 7 years post-college life. If that keeps up, it'll be about 4.5 each in that generation, which is a regression to the mean but still quite large for modern America. So yes, culture (or DNA) matters more than education.