This is a useful conversation, as it is forcing me to scrutinse how I’m writing these ideas, to find out what I’m not conveying.
You stated that in my response I “deny the possibility of psychological treatment”
I did not. In the first sentence I wrote “a cure must also pay attention to removing or…
I took your meaning to be: finding a drug target is not a cure — a cure must also pay attention to removing or reducing the effect of the life events that triggered depression in the sufferer. I agree: and wrote explicitly about the influence of other factors on depression in the "buyer beware” paragraph.