"So, put simply, yes, you can shoot yourself in the foot, and the caliber is enormous. But you’re being treated like an adult the whole time"
That is, those of us who've noticed we make mistakes aren't adults we're children and this is a proper grown-up language -- pretty much the definition of condescending.
The least you can say is that he is _opinionated_. Even his friend Casey Muratori is "friendly" in comparison, at least trying to publish courses to elevate us masses of unworthy typescript coders to the higher planes of programming.
Jblow just want you to feel dumb for not programming right. He's unforgiving, Socrate's style.
The worst thing is : he might be right, most of the time.
We would not know, cause we find him infuriating, and, to be honest, we're just too dumb.