My theory is it's the drama of it all. We all got enough in our own life without having to witness another's.
[BRIGHT] It was a thing possible where I come from but not often done either from a distrust of those who use magic or restrictions. I gave my time to some hospital beds and each time it was an experience I was not happy to repeat. Of course that also gets you the remark of 'well maybe you should stop gettin' shot.'