If you can't tell me which banking officials planned and controlled the 911 attacks, then it seems you have insufficient evidence. It is wrong to believe things without sufficient evidence. We need to think critically.
The first rule of argumentation is the truth seeking principle. Both parties need to be seeking the truth not just using rhetoric to push an ideology. I may be all wrong for all I know, I just haven't seen any convincing, contradicting evidence.
Are you also willing to acknowledge the possibility that you might be wrong? Or is this not even an live option for you?
Truth and scientific discovery is disdained by conspiracy theorists. Just the way it is. Essentially, they are insane.