Well there is no need to be idiotic, there many Americans who believe 9/11 was a conspiracy.No need to get emotional, this is what happens in war. Are you just born or what?
If you want to blame someone for all these emotional scenes then you should blame Taliban who started all this by doing 9/11. And if you're gonna say that 9/11 was not done by Taliban then don't bother to reply.
There many reputable public figures who believe that 9/11 was a conspiracy.
The Fahrenheit 9/11 movie, also suggested there may have been ulterior motives behind the Afghanistan War which included a natural gas pipeline to the Indian Ocean.