One primary reason mental health systems make people worse is their prehistoric and skewed assumptions about so called mood "disorders", as evidenced by the below drivel from the above article...

Reflecting my day job, I’m going to focus here on mood disorders. Some of these (melancholic depression, for instance, and bipolar disorder) are essentially “diseases” because their causes are largely genetic, and reflect primary biological brain changes.

When this is your starting point, you are going to churn out a lot of casualties.