No, all those conspiracies make large, factless, leaps. An base almost all of their 'proof' on misinformation, things that have been proven wrong and in some cases, plain lying.
Put your mind to some actual user, if you don't want to believe the official story, read the 9/11 timeline. Then you'll see how it was a mjor fuck-up on our side. But you can't say "it was an inside job" just because you have a persecution complex.