Someone has behaved in an outrageous way at work. He meets in the next day.
Coworker: How are you?
Person: I'm okay. I'm just a little embarrassed about my behavior yesterday.
Another coworker: Embarrassed? Why would you be embarrassed?
Coworker: Don't listen to him.
Is "another coworker's" response phrased in a perfectly natural way to convey sarcasm?