[vacri]

Looks like you're committing your own fallacy there. Jerf's topic is Taleb's level of authority, not the veracity of the statement of the article. How is it "argument from authority" when the argument is trying to establish how much authority the actor has in the first place?

The comment even has two separate disclaimers saying that Taleb might not be right about this, just that he has enough experience to be worth listening to on the subject.