He's living in the past. Being an adult sucks and he's trying to relive the memories of his childhood to forget his mundane life.
At least that's why I would think he would be browsing an empty forums, or maybe he really really really takes his moderator stance seriously. No biggie, everyone does it at one point in their life. We should get everyone posting on here, it would be awesome! (and give something new for DHL to read)