the Psychology of Stigma and Victimization:
"Indeed, researchers currently disagree whether the benefits of labeling a mental illness (i.e., treatment) outweigh the costs of the socially stigmatizing effects of such a label."
-Quinn, Kahang & Crocker (2004). Discreditable: .... Personality and Social Psych. Bulletin, 30, 803-815.
Wow.
Well, yeah. I tend to agree.