Sure, it doesn't imply using military force in any protest is justifiable. However, presuming the PM commands the army, then it's his decision -- and the contex

Sure, it doesn't imply using military force in any protest is justifiable. However, presuming the PM commands the army, then it's his decision -- and the context thereof -- that needs to be justified. It does imply that, in this instance, using the army was the right thing to do.