That is the crux of the "closure" issue to me.Spoiler
While I think we are on opposites sides on this topic, you have nailed it in a most simple way. My thoughts....
If you have an ipad, I STRONGLY suggest you pick up the app/book "the Final Hours of Mass Effect 3". I've had it for a few weeks, but just putzed with it. Now I've read it through and it really gives you insight into the conscious decisions the team made, all the way up to the final days before release. Casey Hudson and Mac Walters, in particular, give a lot of insight into their thought process, why they did what they did, and where the series goes from here. It really gives a lot of info to the hardest of the hardcore. Specifically, it shares
In the end, if nothing else, I had a great ride I had and am having a great time talking about the game with friends and I am making new friends through discussions like this and online with multiplayer. I'm glad that my time with the game will be winding down because my wife is ready to kill me for spending so much time playing games and staying up late.