Political correctness is the natural continuum from the party line. What we are seeing once again is a self-appointed group of vigilantes imposing their views on others. It is a heritage of communism, but they don't seem to see this.
I don't know much about creative writing programs. But they're not telling the truth if they don't teach, one, that writing is hard work, and, two, that you have to give up a great deal of life, your personal life, to be a writer.