I believe Iris was right when he called the hotline since not only does he want to protect the company from harmful threats, but he also wants to protect his integrity. His decision has helped in deescalating any possible confrontation among the two, which allowed the necessary precautions to be done.
Through his actions and tenure as president, Jackson squarely set the Executive Branch on an equal footing with Congress in terms of power and ability to shape law and government policies.