Xilizhra wrote...
To answer your previous post, I think both Sovereign and Saren were necessary.
I agree, but only up to a certain point. I think Saren's main function was to ensure nobody opened the arms again once Sovereign was docked to the station. He may have served an additional function with his ability to access the central control station and transfer control to Sovereign, speeding up Sovereign's ability to access the relay.
We don't know any of this for certain though and that's why it is foolish to waste resources on the Council.
At the time Shepard makes that call for all he knows Saren's job was 100% complete. It may only be a matter of time until Sovereign takes control and opens the relay. Shepard doesn't know for certain how close Sovereign is to succeeding. The data file from vigil is a temporary measure.
I think the only reason Sovereign took full control of Saren and attacked Shepard was because he was running out of time. The fleet was hitting him hard and this was its only chance to open the relay.
I think his shields overloading once the Saren avatar was destroyed was pure coincidence. After all there are no other examples of Reaper avatars causing a problem for the Reaper once they are destroyed. We killed Harbringer's avatars dozens of times and when the Grayson avatar died there was no indication it caused the Reapers any trouble.
Again, I stress, you don't know any of this for certain at the time you make the decision. When Shepard makes that call Saren's job may have already been completed. It is foolish to risk the galaxy just for a little political stability.