Perhaps more curious is why they do it over the internet to people they will likely never meet. I'd hypothesize that they are so dissatisfied with their own lives, the internet and reality are starting to merge. Only for them to realize even this merger isn't much better because of their appalling people skills.
EDIT: These guys also tend to be bitter and almost hate women too. Very strange.
I may pay my subscription every month, but I don't lose sight of the fact that the other 4/9/24/39 people I'm grouped with pay too.