Trump is not a postmodernist. He is simply a narcissistic liar who was raised in an environment (personal and business) that allowed him to develop these kinds of tendencies. It has nothing to do with academic theory. Using the author's logic, perhaps he can make a case that Hitler and Goebbels ("just tell a big lie over and over again") were proto-postmodernists?

The author's opinon might make for a fun night at a high school debate but it is intellectually weak and unconvincing.