So you would still order an evacuation against all the advice that you would already have received from the security services involved?
I doubt that you would really have the balls to do that.
If you think that life is that simple then why did the FR captain who was actually involved (unlike all of you Monday morning quarterbackers and all of the similarly general promising hysterics out there) not immediately blow the slides and evacute the aeroplane?
The reason that he didn't was that:
1. He listened to advice.
2. He had read all the books and had done the security courses.
3. He did what he was told.