TV
Unlike profiling serial killers, writing is a lonely and depressing profession.
— Jose Chung ‧ Millennium

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker describes writing as lonely and depressing, then sets it against profiling serial killers. The unexpected comparison supplies the dark humour: an activity with such grim subject matter is offered as the contrast to writing's isolation and unhappiness.
Context reviewed