Hahn realized the president had no idea how the FDA operated and had made no effort to find out before sending the tweet. It was a classic tweet-burst, ignorant and disruptive. Trump did not understand the power of his words. Public faith in safety procedures was critical to convincing people to get vaccinated. Hahn did not ask the president whether he ever considered what thousands of FDA workers might think when they read the statements attacking their work from the president of the United States.
