Executives may vote themselves huge pay increases but they can also cripple the company by doing that (as some do). Destroying the company is one way to give themselves a bad reputation, thus reducing their future employment prospects ­ who would want to hire someone who does that sort of thing?
Taking up the drums as a hobby will quickly teach you the relevance of this issue of considering how getting your goal (and what you do to get it) will affect other people.