I think the title quite clearly means hackers that happen to be intellectually curious. If technology and such is too narrow for you, I guess that's a fair poin

I think the title quite clearly means hackers that happen to be intellectually curious. If technology and such is too narrow for you, I guess that's a fair point. We might as well go into how "smartness" is narrowly seen as the only metric which programmers are judged by, while we're at it.