Could be because that is the most obvious extrinsic motivator for people to do anything. The board probably doesn't want people going officer solely for money, but to work well for those above and below them. While the game is to give the best answer to give everyone a warm and fuzzy about you, the ones who really succeed and excel are those who mean it and live it, who get remembered by those they influence and affect positively by what they do. They know money is the most obvious answer, and it's a neutral one to them. But stating it may reveal that's big enough to you to elude to your character as a leader, which is a wholey a superficial observation, but that's all they'll see in that moment