If you believe that Gladwell's success is primarily driven by his writing, I think you've overlooked the most important factor. What makes him most interesting is not the narratives themselves, but rather the ideas behind them.
Suppose you were trying to influence people's opinion about particular policies. Would it be better to talk about the specific policy, or is it more effective to focus on the values related to that policy?
I have a love-hate relationship to conflict. I love it when things "work out," but hate it when they don't. I fear things not working out, people's feelings getting hurt, or me losing something important.
The Presidential debate exposed the arguing style of the candidates. Barack Obama thoughtfully analyzes both sides of an issue and admits when his opponent makes a valid point whereas John McCain quarrels much like a petulant child.