It is all about exposure and marketability of the information.
In comparison:
Number of people killed in the traffic: 44,757
(source: http://www.cdc.gov/nchs/fastats/acc-inj.htm)
Yet nobody sings the praise of or raise statues in memory of the brave heroes, the unknown motorists, who goes onto the road every day, risking their lives to keep things running... >_
As Cantousent mentioned, try looking at the cost in other things than lives:
http://www.boston.com/news/world/articles/...top_2_trillion/
Even of the number 2 trillion dollars is a few hundred billions off either way, it's still a lot of money that could have been spent on other things. Even Bill Gates doesn't have that kind of money.