Interesting. I guess it depends on who and why, eh?
Oh, that would be *Yuririi
She's actually the biggest reason I joined dA... Back when I was just a Google-aholic, looking up Pokemon pictures, I used to see her art all the time. Eventually, I joined dA to try and be her friend (but that never really worked out, since not everyone is as open to getting new best friends as I was) and to see more of her art.
And then I met more people, like you.
/ranty rant over now