@WhySoBluePandaBear (and the others) : You're thinking of WoW and other MMOs as time-guzzling games where you can't accomplish nothing unless you dedicate your whole life to them while they are in fact just games. The point of a game is to enjoy yourself for the time you play it.
... The game has plenty of features to get you going at your rythm (like the dungeon finder tool). By the time WOTLK was over, pretty much everyone got into ICC. ... Don't play the game like you need to get from point A to point B as quickly as possible. Enjoy yourself doing things you like. If what you like is farming ore and craft armors, why don't you do that? It's fine by me!
My point is that World of Warcraft is a rich game that offers a great gaming experience for any type of gamer : casual, regular or hardcore. You might not be suited for 25-man heroic Deathwing (I know I'm not!). Still, there's plenty of exciting dungeons, quests and professions out there that are accessible to anybody ...