"There isn't anyone here who wouldn't rather be doing something else. I'm sure more than one have duties at least as important as yours, so pipe the hell down," She was mad as hell, and made no bones about it. It's too damn bad you're having so much trouble grasping the situation because Shepard has never had a problem with cutting the legs out from under people she's run out of patience for, strangers included.

"You don't have a choice in the matter, so unless you genuinely want to find out what happens when Big Brother decides we're not worth his time anymore, keep it to yourself."

Death threats! And it's not even past noon, yet. Not unheard of, but neither is it common.