That line and way of thinking SHOULD be rampant in our line of work. Maybe in a different way than some people mean it though.
EMS, and medicine, like most jobs, is not for everyone. Not only should people be excluded from it for intellectual reasons (do you have the requisite intelligence?) but for emotional and mental reasons as well. What that means is, a career in medicine will expose you to some very disturbing things that can have a very negative, and sometimes permanent impact on your life. Not everyone is will deal with those things in a safe and appropriate manner, more importantly, not everyone is CAPABLE of dealing with those things in a safe and appropriate manner. While anyone and everyone should be encouraged and helped to seek out whatever help they need to recover from this sort of issue and supported while recovering...not everyone should be encouraged to return to their previous role. There will be many who can, and should continue. But not everyone will fit into that catagory, and people like that need to be aware of it. If early in a career it becomes clear that a person falls into the catagory of not being capable of dealing with the stress, they should be encouraged to find another career. Because, almost without a doubt, if that type of person persists, they will end up doing harm TO THEMSELVES.
And there is not, and never should be, any shame or stigma attached to that. Ever. For any reason. Personally, I would much rather work with, know, and be someone who knows and understands what their limits are, and is capable of saying, "no, for my own good, I'm done here."
Unfortunately EMS, as a culture, is moving in the direction of telling everyone, "it's ok, you can do this, you'll be fine, this jobs for you!" even when it clearly IS NOT the job for many, many people. All this does is leave more people open to harming themselves by being in a setting that they can't cope with, and should never have been in. When even the people who are best equipped and mentally prepared for this begin to have problems, this should be a bright, shining indicator that not everyone should do this, and that people need to be told up front when it is clear they are not a fit.
Without any bullshit or smoke being blown.
Think I'm wrong? Look around.