The problem is that opinions like yours, Reese, will make it difficult for people to afford medicines & other forms of treatment if they become doxa. HMOs & insurance companies will be happy to make "a couple of laps around the bloc" (which would cost them nothing) a standard treatment for clinical depression and other mental illnesses if they can get away with it. The idea that mental illness is not in fact an "illness" but a moral problem of laziness (for instance, unwillingness to stay physically active) constitutes a political obstacle for sufferers.
Yoshie