What's In A Name?

In defining a field, each person seems to look at the world and place themselves in the center of the circle, giving their specialty top billing as the summation of all the others. What exactly is gained by this political one-upmanship? In the face of this inflation, I find myself pulling back to the simplest craft title I can find. Or avoiding titles altogether.

Quesenbery, Whitney. WQusability (2001). Articles>Information Design>Professionalism>Usability