I thought the endings were bad, very bad. However I can see why all the bitching could make someone just going into it now expect something far worse than what it really is, which is probably a blessing tbh, at least then it didn't disappoint you...
That, I think, is the real problem. From a completely objective standpoint, the endings are bad but not the worst, they don't even come close to Fallout 3/Human Revolution levels of bad in my opinion. What's really fueling the hurt is that the game, nay, the trilogy that preceded it was so good (again, in my opinion) and promised so much that it made the moderately shitty ending seem like that much more of a disappointment; and when you've spent 5 years as a dedicated fan of the series, ending on such a sour note is hard to recover from. I just hope this doesn't finish the whole company because despite everything, I still love Mass Effect and I love Bioware.
Where I would disagree with you is where you call Mass Effect 'Science Fantasy', because that implies that the writers can just pull whatever space-magic they like out of their arse whenever it suits them, and until the end this wasn't Mass Effect at all. The whole purpose of such a rich and detailed codex was to make the world seem believable. Everything was explained, in fine detail, to the point where even the stuff that was impossible in the real world at least sounded plausible to someone without a physics degree. Given that this had been the tone of the entire series so far, I don't think it's too much to ask to want the mechanics of how my decisions actually work to be properly explained to me and to sound believable. However, what I got was:
- You shoot a thing and that makes all synthetics/hybrids die somehow.
- You touch a thing. You melt, but your consciousness lives on and tells the Reapers what to do, somehow.
- You jump into a thing. You melt, and that gives everyone in the Galaxy new DNA... somehow.
I'm sorry, but... what?