So basically what you are saying is that it's better to treat the symptoms rather than get to the root of the problem.
This is the basis and theory for all the Pharmaceutical drugs, and most often the damage from the chemicals do more damage to some other part of the body or mind. Then you get to take more chemicals, and drugs to treat the new problem.
If there was reason for doubt it was this. somebody in the FDA in agreement.
"Of particular note, in the two years since publication of their PLoS article, not a single scientific article challenged their conclusion. Indeed, the chairman of FDA Psychopharmacology Advisory Committee acknowledged that the "chemical imbalance" theory was but a "useful metaphor"--as opposed to a valid hypothesis. "