I think the author thinks more along the lines of Steve Jobs trying to cure his cancer with herbal tea, Elon Musk sleep depriving himself into a twittering idiot, Scientology, NLP and various "success hacking" fads etc.
The answer there might be that in reality successful people are not really very different from unsuccessful ones, and have very little control over the contingencies and luck that put them onto their respective paths. This is certainly the case with financial success.
I don’t think that any of the named ones were particularly well-executed, and people were trying to warn that all of them were problems for a while. Madoff might be the closest, but even there it was verging on being an open secret that there was something up; again, Madoff’s investors were not actually that sophisticated.
Looking ahead… Probably these vector db company valuations, most companies doing AWS competitor DX plays.