It certainly wasn't about half of the alleged hijackers named by the US government just days after the attack.
In the years that followed, more poor quality video and audio recordings were cited as further "proof" that Osama bin Laden was America's number-one enemy. All of that culminated in a spectacular raid, that probably never happened.
While many of these deaths might be considered coincidence, no matter how incredible, and while other information might be considered a misinterpretation, there are cold-hard facts which prove that we have been lied to about 9/11. That the official version of what happened, is a more unbelievable myth than the many other myths which have been proselytized by conspiracy theorists. But we don't need conspiracy theory here either. We will never know who is responsible for 9/11, and which conspiracy might be right or wrong, until we first accept the fact that our own government has lied to us, blatantly, and repeatedly, for whatever reason. We will never see the truth until we can objectively examine the facts put forth, not by conspiracy wackos or paid government agents, but instead by independent experts who have no reason to lie. So let us listen to what the real experts have to say.
This is the trailer for the full length documentary linked below:
And finally, maybe we should really ask ourselves, why we reject the facts presented by real science. Why is it easier to just accept the government version of events? Do you, or someone you love, a friend, even a co-worker continually deny the truth, no matter what proof is put forth? You, or they, may actually need psychological help.