Now she may not have had a lot to do with the stock increase, but she certainly didn't screw it up. Her compensation was mostly incentive based, which is what you want for a CEO.
CEOs aren't going to be paid like an engineer. They probably are overpaid. But for shareholders, offering a tiny part of the upside from a stock increase is a small amount to pay when it the stock appreciates strongly. The bigger problem is when it doesn't.