Can't tell much from that article because they lump "depression" altogether, and there are different kinds. If your depression is strictly chemical, talk therapy is useless beyond learning about the illness. On the other hand, if your depression has kept you from making friends, a therapist may be the only person you have to talk to, and that would help a lot.

My depression is 100% chemical, but still going to counseling helped me learn how it worked and what it was doing to me. It probably saved my life to learn that I had an actual treatable illness.