Side note: This thread NEEDS spoiler tags -_-.
On point: I really don't see why people bitch so much about the mass effect series. If you look at the huge jumps between each game Bioware really did do a good job at improving the game, for example the combat system in the first one compared to the second one
. The ending of the third game wasn't as emotionally on par as the other two games and that's why people complain, but really looking at the gaming market as a whole it was more than a decent ending IMO.