You can only get lucky if you position yourself to be able to get lucky. In addition, you need that carpe diem attitude to exploit any lucky breaks. A business opportunity is not gonna magically appear if you are not constantly looking for one and you won’t be able to exploit it if you haven’t learned relevant skills and built a network.
How did you choose who your parents were going to be? What part of your carpe diem attitude helped your mom not do drugs and destroy your gestating brain before you were born? How did you bootstrap your country so that you weren't a victim of war or starvation at a young age? What part of your attitude ensured you were born into a modern society at the right time to be educated, instead of being a pre-agrarian human…
First, I think we need to shift the discussion back to the first world. That was what the article was written about. Third world issues are outside the scope of the discussion. At least in the context of the comment you are replying to. Success is going to mean something different when you're country literally doesn't have food. No one is arguing starving children in Bangladesh should be able to be the next CEO of Google.
Second, I think you overestimate the extent to which issues like, "mom doing drugs" effect the general population in the first world. I would argue that the majority of unsuccessful people in the first world have not been effected by anything worse than the standard issues which arise from being raised in an impoverished/educationally lacking family environment.