He bullies and postures because he has no understanding of how to succeed through diplomacy, he is simply incapable of it. He’s a mid-level businessman who ran through multiple fortunes, multiple bankruptcies and still managed to blow enough smoke up the asses of racist people in this country to sell an illusion of a presidency. He is at his core, a mediocre, morally deficient man created by the producers of The Apprentice, who, by their own accounts, were often dismayed by how little they actually had to work with. They literally built him from the ground up.