Maybe the final choices should have had a Paragon and Renegade choice within them. For example:
- Control: the Paragon choice would let Shepard help rebuild after choosing Control -- the Renegade choice would let Shepard immediately order all Reapers to leave.
- Destroy: the Paragon option would severely damage the Citadel and the Mass Relays, but spare all synthetics from destruction -- the Renegade option would spare the Citadel and the Mass Relays, but destroy all synthetics.
- Refusal: the Paragon choice shows Shepard falling down and give up -- the Renegade choice would make Shepard use his/her omni-tool to destroy the StarChild.
- Synthesis: Choosing the Paragon option would cause Shepard sacrifice him-/herself for synthesis -- choosing the Renegade option would cause Shepard to cut of his/her hand and throw that into the beam.