To tie it to HN, the vast majority of new companies fail. Wisdom would say don't waste time on a new company, yet many of us do just that.
You can learn a lot about yourself by "blowing up" your life. (And you don't have to go to the extremes the article describes.)
The worst is seeing someone making a mistake, warning them, and then they do it anyway.
It is hard to see other people's real mistakes, both clearly and with all the context.
I remember reading about one common parenting mistake: fighting with their spouse quietly away from their kids. Or maybe fighting happens, but resolving does not.
The idea is that kids can't learn how their parents fight, discuss and then resolve issues because they don't ever see everything start to finish.