WoW vs. Halo

I know there's a lot of people who consider anyone who plays the popular computer game, World of Warcraft, a huge nerd. However, what you don't really realize is how one sided that comment can be. There are a lot of people who fit the typical prototype of "nerd" and play no other games outside Halo 3. So this beg's the question, why is it so much different if someone plays WoW in their past time instead of Halo?

Personally, i play a little of both, and have at least one more friend who play both, so it really confuses me as to why one is worse than the other. It's simple, a game is a game unless you make it something more. I don't think i matters what the game consists of or why you play it, it's a matter of if you let it consume the majority of your free time or not. Some of the friends that i have that actually consider WoW a nerd game and halo not have the argument that Halo isn't because it's not a "computer game".

If i'm not mistaken, isn't that like saying that you hate spending money on watching movies at the movie theater, but you rent movies to take home and watch? It's the same shit! You can spend $40 a week renting as many movies being a lazy bum as you want, or you can spend $8 a week watching a movie at the theater once a week and keeping balanced.

So instead of rambling on with the same question put into different forms, i'd like some response. What makes a computer game any different than a console game, if either of them are played in a casual manner?