Answer:
Because you can be putting yourself in danger by having this job. The people you work with might have picked up various kinds of sicknesses or diseases that could get you sick too. You may also come in contact with someone who is out of control and they may or may not hurt you. Putting yourself in danger is often seen as crazy.
Step-by-step explanation:
I did plenty of research on this not too long ago.
Hope this helped lots and lots,
sincerely, me