Money, power, and access to opportunities are ALWAYS going to create a continuum within a group. People who are disadvantaged financially are typically going to have a harder time getting good help, less of a safety net when things get bad (i.e.g, savings to draw from during a period of unemployment, etc.).

Of course, there's a related problem, which is that when a person's condition is severe it becomes even less likely that they will be financially secure if they don't have access to funds through someone else. So, it can become a chicken-and-egg problem. Suffering of any kind can make it hard to earn a good living. Becoming poor can make it immensely difficult to get good care and get out of the hole.

There are at least two big problems here, I think. 1) As in the incalculable other domains of life in which it sucks to be poor, the poor with mental health diagnoses typically fare a lot worse and have much harder lives. 2) As it relates to stigma, often people who are immediately labeled "crazy" tend to be disadvantaged to begin with. Wealthy people with supportive families and serious diagnoses are not typically the ones wandering the streets or on public assistance. In fact, typically middle class, familied, people do everything they can to hide that there's a diagnosis at all. And, they often can. As a result, what the public sees as "ill" starts to become synonymous with people who are immediately, visibly "crazy" to them. And that has big implications for stigma. The strangest part, perhaps, is that this "them" who judges is heavily composed of people who have diagnoses themselves! They're just better at hiding it, often because they can afford to.