It is that 1% that trip people up. Nearly all CCW holders are concientious, prudent, and responsible people. But, when you have 8 million of them, The few hundred that are caught at airports with firearms are the tiny percentage that got caught up in a unusual set of circumstances and events.
The 1% is when I have to go into an establishment that it is illegal to take a weapon into - then it is locked in the car.