I'm not so sure of the role of IATA, because it is a voluntary association of airlines. I don't think it sets regulatory standards for governments to follow. Maybe the airlines do, but the prohibited items list I understand is regulated in this country by Transport Canada as an enabled document, and then it is put in force by CATSA.
You're absolutely right about the weakest point. If I came from New York, I could bring tools up to seven inches on board an aircraft. We think that is unacceptable. The U.S. flight attendants.... It's into the system—