The context of the following conversation is Casey discovered Sasha's corrupt acts and informed the rest of the company, so Sasha resigned inside Casey's office.:
Casey says Have you hear that Sasha left the company today?.
The friend responds No, I hadn't heard about that. Did she find a new job?.
Casey responds No, she was going to be fired but she resigned, instead..
The friend responds Why were you going to fire her?.
Casey responds She was doing all kinds of things. Fudging her expense report, paying people to do her job, making up stats for the meetings..
The friend responds Well, I guess her leaving was a good thing, then..