Being rude to people in customer service is only going to make your life more difficult, and it's really not a good idea to tempt someone who has the federal-granted authority to give everything you own—including your own person—a very thorough search. Further, if you're being overly aggressive and disruptive, you may be detained or banned from flying ever again altogether—which would be mightily more inconvenient than waiting for a disgruntled agent to rifle through your bag. But—hey—flying ca…