I'll tell you why, they are dying, and they are pissed off. Gets drunk with a bunch of buddies, bitching about the 9/11 conspiracy by the U.S. government, gets a little courage and goes for it.

Remember his statement, "Don't you know my name?". He was there that day and he is mad!!!

Thats why the government won't give those guys a pension, keep them working so they don't have time to think about what happened and do something about it. Those firefighters can't die fast enough for the government.