It's been ten years.
The guy responsible is, apparently, dead.
In 2001, 16,037 reported homicides(1) occurred in the United States of America. Five times. Five times the amount that happened in the World Trade Center. And that's just Americans, killing Americans.
Since then, it's been an average of 16,000 a year. It's held steady. So 160,000 Americans have died at their own countrymen's hands since 9/11. Not in the line of service in the military, busy staffing 7/11s and stealing TVs and being fat or whatever.
The only reasonable way to consider this even remotely still interesting is basically to be upset that those nasty foreigners did it. You can't just arbitrarily say 'well the loss of life IN ONE DAY' because Mother Nature does that all the the time in other countries.
If anything, it's becoming a symbol basically of American grief at realizing they aren't actually separate and above the rest of the world. Which, too, is a thing! America being taught that it is in fact just as vulnerable to pain and strife as the rest of the world is incredible and valuable BUT YOU'RE STILL ALL COMPLETELY BAFFLED TEN YEARS LATER.
England and Spain had similar incidents. Israel gets bombed every freaking day. This is what happens everywhere in the world that isn't North America or particular parts of Europe on a semi-regular basis. Calm down.
(1)
http://www.disastercenter.com/crime/uscrime.htm
Quoting my yesterday WLM status, "Let us remember those who died nine years ago." The most horrible thing is that there was somebody who didn't understand what I was about.