Churchill was not the smartest (from a technical perspective) cookie in the cookie jar, he was not a careful quiet thinker, he was a bit racist, from the "old s

Churchill was not the smartest (from a technical perspective) cookie in the cookie jar, he was not a careful quiet thinker, he was a bit racist, from the "old school" and rather stuffy. But he was very very very very good at two things; patriotism and rhetoric. Which, when you are in a war, is a good thing. The generals win the battles. The politicians win hearts and minds. Think of the "talk louder" (I have heard to story too, and I think it is true IIRC) as simply a technical aspect of his ability, akin to the hacks, short cuts and pieces of useful code we programmers have hanging around to get things done faster :)