Originally Posted by basharran 
Like I said before people can't cope with non-Hollywood endings and not so happy ever after. But taken into consideration what is happening during these 3 games it might be the best end to a game series to date. But as pointed out above BW will probably give in to the masses and effect another ending to the series. I just hope they keep the original ending in as well since I think it makes perfect sense.
Really? I would love it if you could explain it to me then because …
Spoiler – Ending spoilers ahead
… it's not as if I expected a happy ending. Heck, the whole way through ME3 you're witness to the massive scale of the destruction and ruin the Reapers are causing to all the civilizations in the galaxy, so the ending was always destined to be bleak … but it just doesn't make sense.
How is creating a huge 20 km long chunk of debris in low orbit over Earth (which is pretty much a planet killer) out of what's left of the Citadel considered a viable solution that Shepard would accept?
The destruction of the ME relays bombs the entire galactic civilization back to the stone ages (no-one knows how they're created so recreating them is out of the question). So much for pretty much any civilization other than the Quarians, since everyone else are scattered across multiple worlds/systems relying on supplies via the ME relays.
Just exactly HOW and WHY is synthesis the next step in evolution?
How does Shepard control the Reapers when the Cital/Crucible blows up?
There are many more questions and I would frankly settle for an explanation that would alleviate the current state of WTF?!?!?!?! that I'm stuck in right now.
The more I read about it the more I lean towards the Indoctrination Theory because it is frankly the only explanation, however far out it may be, that makes ANY kind of sense.