I'd give more weight to the combat speech with more speech attitude of giving a rational, well researched response to claims like the one described in the artic

I'd give more weight to the combat speech with more speech attitude of giving a rational, well researched response to claims like the one described in the article if those claims were spread, through the populace, in an equally rational and non-emotional tone. Incidentally, the most effective and least abstract arguments against murder and genocide are based on emotions — leaving them aside, you're left with assigning a worth to the lives taken.