Because it seems as if it's really aimed to a younger audience, and yet it still attracts guys who are 14 or older. I have more reasons than that, but I really don't know how to put it...
...Actually, now that I think of it, I don't even know why I click here and posted this if I can't even defend my own argument. Not that I'm... err... eh... yeah, let's just leave it at that. :/