again: this is the subtle, psychological trick that they use to push through the perception of difference - they present this as though it's a question of if they'll use force, rather than a careful determination of when they will.
by the end of this process, you'll be carefully lead to conclude that they had no other choice and these groups did it to themselves, which, in context, is mostly true. but, they still think they need what is essentially a psy-op to get the point across....