Yeah, I was a CAD drafter for several years. About the time I switched from working at a drawing board to sitting behind a computer, was about the time I began to stop enjoying my work anymore.
It was fun at first, but eventually it just turned into drudgery.
Something about laying out a drawing on "paper" (vellum) and drawing things by hand that gives one a much better feel for the object one is designing. Drawing on a computer screen just gives one less of a "feel" for how things fit together.
What I found after doing it long enough, was that the only real benefits to CAD were in making changes/corrections and storing drawings of finished projects.
But it really sucked all the enjoyment and satisfaction out of creating drawings by hand.
Turned it from an art into just another desk job.