Like you said, it's a theory you can look at available data and draw conclusions. The term "conspiracy theory" is used to make anybody they want look less credible.

We know that the government was aware of something that was going to happen in 9/11 but they say they didn't have enough information. We also know that the government allowed perl harbor to happen so they could have an excuse to join the war. Did the government know what was going to happen on 9/11 and intentionally allowed it to happen? I'm sure I found dig up compelling information. We already know what happened in response to 9/11.