It's always important to be polite to the customer service worker who is handling your request, even if that request involves negotiating a tricky situation, chances are you'll get a better result if you treat that person like an actual human being. Usually, the sheer bureaucratic inertia of a large corporation or a government entity will mean that if you're rude to the wrong worker, you're going to be stuck in bureaucratic purgatory for a frustratingly long period of time. Or, worse, they may…