Speaking as an ex-soldier and having lost many of my friends in various theatres of operations.

One of the reasons we did, what we did was so people had the right to voice there opinions and express their views whether I agreed with them or not.

IMHO If we do not allow the voice of opposition then all we will create is more friction and ultimately conflict.

Remember that from a politicians point of view, conflict and 'war' is just another political tool to implement foreign and domestic policy.

I always remember a piece of graffiti I saw, roughly translated it said

"If you think you know the answers then you dont understand the questions!"

I think that to me says it all