A part of me wonders if this isn't a factor of people trying to give more importance to the importance of their roles than is, in fact, justified. The doorknob

A part of me wonders if this isn't a factor of people trying to give more importance to the importance of their roles than is, in fact, justified. The doorknob example from the article is a good one in this respect. Instead of calling it a "doorknob", a complicated, important-sounding analog is used. Who's using it? Someone who feels that doorknobs are not that important, and that putting "doorknob salesman" on their resumé won't look nearly as impressive as "residential access tool marketer". Human nature, I suppose. Still, it makes the language less useful.