and was never considered a "target" by the local population for anything. I mean, other than the federal building there, what can you strike at that will draw the attention of the country? The state capital while in session? Anything else? I can't think of any other choices. The locals probably didn't think "I'm safe because they cannot reach me" but more along the lines of "I'm safe because there's nothing here to target".
Whereas NYC stands as Exhibit A for everything that "The Great Satan" represents to the Islamic world - capitalism, arrogance, self-promotion, a regular Sodom and Gamorrah, etc. etc. etc.