Health care itself explains only a small fraction of health outcomes. Much of what we need for better outcomes is fundamental, but it is not part of health care. Social factors (your zip code, not your genetic code), lifestyle (how you live, not how many medications you take), and livelihood (your work, not just your wealth) are much more important for health outcomes than your specific diagnosis or health-care plan.
I was suicidal for decades. I rarely feel suicidal anymore and it's like a bad habit, a mental tic that occasionally comes back when I'm having an excessively stressful day. Eating and sleeping are usually the way to make that stop.
There are two main components to mental health: physical health and social factors. To whatever degree a mental illness is treatable with medication, it can be viewed as a physical ailment with somatopsychic symptoms.
But even if you can genuinely cure the physical roots, you still need to deal with negative social patterns and "habits" (for lack of a better term) that may remain after the physical roots are resolved. If you can do both things, you can actually resolve it.
It's a better article than a lot I've seen. I find this piece encouraging.