Nurses and Doctors wear extensive PPE around known-infectious patients. A huge part of psychiatric care is composing your "mental PPE" to remain objective, and maintain their distance from the patient.

I think they are? This article says like half (compared to 10% of US adults?) https://www.psychologytoday.com/au/blog/campus-confidential-...

You have a different relationship with depressed clients than depressed coworkers and mangers.