@Oscelamo
My feeling was that the political conflict was not resolved in any real fashion. But, maybe I just missed something. It's been a long time, so maybe I'm just forgetting stuff. I remember the peace conference, but that didn't seem to feel like any lasting end to the conflict.
The rest of your examples kind of prove my point. You resurrect some order you've never heard of, and never will hear from again, you affect the leader of some other order, whose existence you find out about like 10 minutes before you do that. You rebuild this guild or that guild, which, apart from the quests to achieve that end, does what exactly?
What there really should be is a Skyrim 2 that either picks up your character exploits from Skyrim 1 Mass Effect-style or lets you select a backstory. Or, at the very least, there needs to be some mention of the Blades Order, et al. in the next Elder Scrolls entry, which I substantially doubt. Being the Archmage doesn't really affect the player's experience. You get a cool house, that's about it. The path to get there is totally cool, but in a game that seemed to tout its gameworld and NPC aspects, it's odd that you don't get to do much with them once you acquire some role.
I'm not sure how I'd go about implementing all of that, maybe just late game questlines or something. Or, a sequel, as noted above. Or, a less atomized management of the IP, which I think is a real issue with Elder Scrolls, at least from what I've gathered. But, the game seemed like it wanted to set itself apart in this regard, but it went through fairly standard (which isn't to say unenjoyable) quest lines to get you to various social positions, and then it was just off to the next set of fairly standard RPG questlines. And, it probably doesn't help that it was all bookended by bog standard main questlines.