When I type lol, rofl or lmao it means I find it funny and I will sn00b or chickle to myself. When I type in caps I usually have that particualar reaction, though in the case of ROFL it's more likely losing my balance or spitting my drink everywhere.
What came first, the spamming or the misery? People worry about kids playing with guns, or watching violent videos, that some sort of culture of violence will take them over. Nobody worries about kids reading thousands, literally thousands of posts about anime, 4chan, flaming, goatse and emos. Did I make terrible posts because I was miserable? Or was I miserable because I made terrible posts?