> And in fact, if anything, it’d suggest the exact opposite of what the author implies by virtue of a really simple, obvious fact: an expert’s social circle is

> And in fact, if anything, it’d suggest the exact opposite of what the author implies by virtue of a really simple, obvious fact: an expert’s social circle is more likely to be well-informed on the domain of expertise than the social circle of a complete outsider. Which makes it really important to determine the actual boundaries of that domain of expertise.