counterpoint - most jobs require a certain amount of training, and once you have started a "career" in that job, you often cannot switch to any job with equival

counterpoint - most jobs require a certain amount of training, and once you have started a "career" in that job, you often cannot switch to any job with equivalent salary, despite the fact that such jobs exist. IOW, it's rarely about _taking_ the job and more about not wanting to take a significant step backward when you decide you're fed up with it.