As I see it, the YC & startup world is consistent with the philosophy of that article. At least to me, the whole idea is that if you're a highly competent person and willing to tolerate some risk, you have a reasonable chance of being able to spend more time doing the things that you love in life in the long-run -- seeing your family, traveling, and having the freedom to hack on whatever you want -- if you can do a successful startup while you're relatively young.