The only reason white people think being called a ‘white person’ is racist, or harmful or wrong is because they are used to the privilege of just being seen as a ‘person’ without their race or color being an issue for them. You see, when you call them ‘white,’ suddenly, they are not just a person, but now they have a color. Suddenly, they are no better than a PoC. And that scares the shit out of them.