It's only fun in theory. What's not fun is when you have to answer to investors, which give no shits about you or your employees, and only dollars, or what they perceive will increase their returns. Often, this is aligned with what management wants to do and what the employees want to do, but in a situation like this, the incentives can be heavily misaligned.
I think like most people in leadership positions at big companies, they can coast along on the success of the big company but they think it's all them. See also nfl coaches. When I was at google, she was such an ass to people. Many were glad to see her leave. I wish more leaders had humility about their success. She's got her 300 million, she'll be okay, but I doubt she will get an improved character out of this.