This reminds me, people often talk about what the strongest armour is in the game - clearly it's Udina's plot armour. The guy's impervious....well,
Re the narrative - comparing ME2 and ME3 is erroneous though. ME2 had to keep things fairly tight at the end so as to make things easier for canonization into ME3. ME3 is the end of Shepard's story, and as such is much freer from such restraints.