The Interloper wrote...
I never disagreed that the situation could have been explained better. I'm saying that it's not improbable that in a sci-fi universe it's possible, with enough money and talent and time, to bring someone back to life. The nebulousness of sci-fi power is what you suspend your disbelief from-same thing with the scene where Darth Vader blocks lasers with his hand. Okay, that's like magic. Let's try again- the Death Star. A ship the size of a planet build by mortal men in 25 years. Twice. Oh, yeah. That wasn't crazy or anything, was it? 
Same thing here-our own medical technology is pretty amazing already, so the idea isn't totally implausible given the context. To argue that even in sci-fi it shouldn't be physically possible is asinine. I've also seen people argue (more plausibly) that making resurrection a medical operation takes any tension out of it-there's no consequence for death. I can see where that's coming from but I'd argue that losing two years on both friends and enemies, ending up in the pocket of TIM, and having a massive project dedicated only to you (a project that's unlikely to happen again, especially in time to stop the reapers) is hardly "without consequence."
Something like this being plausible in
a science fiction story is not the issue. It's the plausibility of it in
this science fiction universe that's questionable. Because so far as we've seen and heard in two games now, this tech does not exist in this universe, save on one Cerberus facility for one person for no other reason than to not have the game come to an abrupt end. It literally came from nowhere. That by itself strains suspension of belief to the breaking point.
Re: Consequences. Losing two years is not a consequence of death, it's a consequence of being gone. One that could be duplicated by any idea you can think of that would seperate Shepard from galactic sosciety fro an extended period of time. It may not be as "cinematic" or "awesome" of course...
The Lazarus Project being unique: That's a consequence for Cerberus. Not Shepard. Unless his insurance doesn't cover it or something...
The problem with the scene is, as you say, despite the power of Sci-Fi aside there's no indication that such an operation has ever occured before in the ME universe. As it should be-Shepard should be a special, one time case. The problem is, as I already admitted, why only Shepard? Did cerberus develop/find experimental technology, as Squee suggested? That's quite plausible (I wouldn't be surprised that reaper/prothean tech is involved somehow) but the fact that Shepard never asks,"hey, how did you bring me back to life exactly?" is pretty strange.
"Sufficiently advanced alien tech" at this point is best-case scenerio.
Again, maybe it's a poorly disguised plot twist (you're indoctrinated! Surprise!). Also yet again, I'm not saying the scene didn't have writing problems. But like most of ME2's problematic scenes, it all could have been solved with one or two lines of dialogue (smudboy himself admits it). For instance (on the reaper/prothean vein) add one audio log of miranda saying TIM gave them some amazing technology she's sure nobody else has, and a dialogue option of Shepard asking about his resurrection and TIM giving an evasive answer.
Does...that make any sense? You did say that all you were asking for is more to go on, and I'm not saying you don't have just cause to demand that. But the act of scientific resurrection isn't out of place here-it just needs proper context. Which I agree ME2 didn't quite give.
It's amazing how many scenes have problems with the writing:
Shepard's death (if these quote pyramids are anything to go by)
The Lazarus Project
Horizon
Collector Ship
Shuttle ride to nowhere
Gray goo
But for this, yes it needs conxtet, because as I said this tech is a complete bolt from the blue. This is not the Jetsons, where robotic arms dropping from the ceiling fix everything. And yet that's essentially what we got.