It likely did, but that's why its even more remarkable, for social capital has a multiplying effect. Every parent wishes their child to surpass them in the end. All of this makes me think of that Created Equal episode of Milton Friedman's Free to Choose, https://youtu.be/YRLAKD-Vuvk?t=650 as well as the talk about family inheritance https://youtu.be/hoFdVuqrMZw?t=3928