Team Fortress 2 and Its Less Juvenile Environment

Anthropology isn't my thing, but I like the idea of a "game anthropologist"; the column at GameSetWatch with that exact title is young yet, but had an interesting look at Team Fortress 2 this week. What exactly makes the environment seem so much more mature than other FPS? The older user base? The official taunts and… » 6/22/08 1:30pm 6/22/08 1:30pm