Are you familiar with the US? I don't see how you can in good faith argue that if people don't like what they have to do and/or what they get paid for it, they can just go do something else.
There's also the consideration that nurses don't leave, because they can see that patient care standards are not good, and they worry that if they leave, their colleagues will be forced take up the slack, employers won't replace them (since the colleagues took up the slack), and they will reward themselves for having found a way to "improve efficiency."
There are, of course, onlookers who are unable to even perceive the moral dimensions that normal human beings take for granted. Perhaps they were beamed down from the mothership just yesterday? The prevalence of psychopathy among human beings cannot be as high as it would appear from the average internet message-board, can it?
