Thompson writes:
I do not wish to accuse my readers of being economists, sociologists or anthropologists, but I am willing to bet that some of you think that the way your parents brought you up, and the schools and community you were raised in, had a big influence on your later achievements in life.
A reasonable belief, but probably a mistaken one.
In fact, it is likely that all that matters is who your parents were, by which I mean your blood parents. Furthermore, conceiving you was the big step, and the rest was due to your being kept alive, and little more.
Pic.: Fate cutting the thread of life. The Greeks imagined three Moirai - spinners -: Clotho, Lachesis, and Anthropos, cutting short the length of human life.