I do know what you mean sam - same with Lebanon and the Israelies. BUT, this was so well planned, so well executed, and on such a massive scale in one hit that it cannot fail to shock people. It also has the "that could have been me" factor :(
However, I do believe that this public outpouring of grief every year serves a purpose to the terrorists in highlighting just what a massive impact this had on the US/UK - and it might be better to have a quiet, unpublicised mourning that they can't ride off the back of