The problem I had with ME3 level design (and to a lesser extent ME2) was how it catered the environment to cover based shooting big time. The amount of hip height unnatural looking walls/environment that sticks out kinda ruined the level design for me.
Yeah, same here. I think Mass Effect suffered from "The Matrix" effect. One was by far the best. Two was, eh. And three was, "Oh god, no more!"