Since my mission was supposedly to infiltrate the cell so Makarov could be taken out, I tried taking out the terrorists like half a dozen times at various points during the mission, until it was clear that making sense just wasn't an option.
At no time did I shoot the civilians. Fuck that shit. And the FSB only got return fire when it was impossible for me not to engage them.
The whole thing was retarded and depressing. Instead of saying I was going through an initiation in order to meet with Makarov, at which point I was to kill him no matter what before he could unleash an even deadlier attack on Americans, necessitating my participation in the massacre in some capacity, they tell me Makarov has to die and then prevent me from just shooting him in the back of the head when he steps off the elevator.
He could have still appeared at the end during the exfiltration and shot me in the face. Instead, his presence during the entire mission ruined SOD and made the whole thing a pathetic attempt to drum up controversy.