Psychiatric diagnoses are not valid.
Use of psychiatric diagnosis increases stigma.
Using psychiatric diagnosis does not aid treatment decisions.
Long term prognosis for mental health problems has got worse.
Psychiatric diagnosis imposes Western beliefs about mental distress on other cultures.
Alternative evidence based models for organizing effective mental health care are available.

To read the full evidence based arguments view the 'No More Psychiatric Labels' paper at http://www.criticalpsychiatry.net/?p=527