"They're your problem, now!"
If it’s not you that has experienced a mental illness, then it’s somebody you know.
From an evolutionary point of view, however, sexual attraction to pain would seem to be maladaptive. Pain is, by definition, aversive. It evolved as a signal to get our attention and keep us out of trouble.
"The bigger issue is the incredibly exaggerated response to bed bugs both in terms of financial outlay, misuse of pesticides
I checked, and there's no relationship between bed bugs and undocumented immigrants. Nor is there any evidence that the respiratory illness at children's hospital has any connection to immigrants.