We've known for a long time that anti-psychotic medication is pretty horrible. That's why groups like Hearing Voices Network have been campaigning to educate clinicians and people who hear voices about different causes and different treatment options. There are other groups that campaign against purely medical models of treatment for other illnesses.

A well known tension in mental health treatment teams is between the psychiatrist (who stereotypically will want to medicate everyone) and the psychologists (who stereotypically will want to talk to everyone).

http://www.hearing-voices.org/