you're right I mispoke. The article didn't promote self-diagnosis but I felt that what Osmos said subtly did, that's why I replied about it.

I think that one can end up promoting self-diagnosis and over-diagnosis simply by using the term "mildly depressed" to refer to the general idea of "being upset" or "being in a bad mood" which is becoming increasingly common in our vernacular. I would argue that it's becoming increasing common because commercial interests set out to promote it's use in that way.