Crowley could understand her frustration. He hadn't even done anything and that guy with the gun... that... Winchester was it? Dean? At any rate, he'd gone and pointed a gun at the demon, made some threatening gestures peppered with threatening words and Crowley hadn't done anything wrong at the time other than park his Bentley in the middle of the street.
“It's the nature of being what we are,” he said, trying to offer some words of wisdom as one who had been around a long time and seen so much more than she could even fathom. “Some of us are far more destructive than others. Sets others, non demon that is, to scent on us as it were.