No such thing as luck. I read the article and I wouldn't know what qualifies as outrageously lucky. The NASA deal that came just in time, maybe. But it's not luck to get a contract for launching rockets if you already demonstrated you can do it.
His parents were well-educated and part of the upper-class. This was pure luck and afforded him countless opportunities he wouldn't have otherwise. It's hard to overstate how lucky this was.
He had access to very good schooling in his childhood and free time to pursue his interests (computer programming). This was pure luck and critically important in forming who he is today.
He was able to obtain Canadian citizenship through his mother. This was pure luck and was very important when he emigrated to the US.
These are all incredibly lucky w.r.t the world at large. However, amongst HN readers and the tech community, there are millions of people who are U.S / Canadian citizens, with educated parents, and who know how to program. What were the 'outrageously lucky' factors that separated Musk from these millions?
I don't know, I just know he's one of the luckiest people on the planet. Even if we accept that there are, say, 100 million people who had the same luck in those three measures, that puts him the top 1.5% of the world's population. And that's all before he becomes an adult.