I get really bored with MMOs and games like Skyrim, I guess I'm more story and character orientated with my gaming. If the characters are interesting/amusing I'll literally play any old crap... which goes some way into explaining why I adore Deadly Premonition, my gawd is that game crap... and utterly wonderful! 
Oh don't get me wrong, I very much like character development, which is what got me completely hooked on Bioware games. That's partly why I get so bored of MMO's. I've invested over $1,000 over the years in LoTRO and I love the game. But I always bring up the one big fault - absolutely no character development. What keeps me going back is the landscape (live weather and day/night cycle) along with the lore. I've tried Guild Wars 2 and that got boring. I was a beta tester for Elder Scrolls: Online...just play Skyrim folks. They all lack the same thing - character development. The only exception would be The Old Republic...but guess who makes that one? Bioware.
For some reason Elder Scrolls games are still great, even without the character development. I guess it's because it's so easy to role-play in your head...and there's tons of fanfic to help. Case in point - I rolled an assassin archer (class of choice in any game) who fought like hell with Vilkas when she first joined the Companions. Obviously that turned into more (c'mon it's Vilkas now) but the way I played it is that they would get all enraged in battle and turn into werewolves together and just go crazy ripping everybody's faces off (there is a mod to control when your companions change...yay!)...all that excitement would lead to...um...other stuff (cuz they're werewolves n' all). As far as classes go, she was able to drop extra points into using two-handed swords, which Vilkas specialized in. So in my head, he trained with her. She was so into Vilkas that she didn't need to hit up Brynjolf. But don't you worry, I had other characters for him!
Ok, so that's my story on why even the lack of in-game character development is ok...in the case of Elder Scrolls. 