But she didn't even have to do in-the-trenches investigations. Like you said: you wished she had written more about fashion in the context of the attack. She didn't. She wasn't looking at how people dressed or how they used their clothes after the attack. She really didn't even try. The best she did was note that the stores on Fifth Avenue were closed before describing an expensive limo ride. I would bet that if she hadn't been pressed by her editors, she wouldn't have mentioned 9/11 at all.
To be placed front and center to write one of the most important stories of your career and then do the absolute bare minimum at the behest of your bosses is either laziness, apathy, or profound ignorance.