Actually, it's not inherently about fame. It has to do with whether the hackers are skilled. Pg goes into why it's difficult to compare hacker skill in one of

Actually, it's not inherently about fame. It has to do with whether the hackers are skilled. Pg goes into why it's difficult to compare hacker skill in one of his essays, though I forget which. But the summary is that nobody knows who the most talented hackers are, because you have to work with them to know how talented they are. Therefore fame is the only metric that makes sense in this case to derive hard evidence. Fame is a proxy for many people having recognized their talent, and the original question was about talent.