I don't see this as a "making fun of people" thing. It feels to me more like an open acknowledgement that there are a large number of negative health impacts associated with poverty, and it really sucks.
Maybe there's a cultural thing here. English humor is pretty self-deprecating: the term "Shit Life Syndrome" is the kind of phrase that fits the English mindset pretty well.
Instead of starting with blame and condescension of your own, try to seek understanding from the people you accuse.
Every profession that is about caring for other people have these jokes because it is necessary to maintain some distance from human suffering to remain professionally functional. Humour makes it possible to maintain two dissonant thoughts in one’s head.
It’s in the very website linked here. The sense of powerlessness and malaise and desperation shared between the patients and their caregivers. What else does one do to come into work the next day and keep at working to improve a hopeless task?
I 100% agree!
This isn't a joke, it's an insult.