I think if the DEV team were to work more creatively/ SE approving it and all, we can have better story line and memorable quest. Seriously, I don't recall any quest I may have done since I 1st booted up this game in 2010(other than part of the beginning with some kids in a forest.
Most quest now are just so forgettable and it's all about completion and rewards. It's hard to even care what happens next! I hope they restructure quest, missions and everything in between. That's what this game needs. And (damn it!) put some voice-over narration in this game or something SE. It highlights the main scenarios your on and make it feel alive, it's something new to try.
