Things don't have to change the world to be important.
It's not about charisma and personality, it's about results and products and those very bedrock things that are why people at Apple and outside of Apple are getting more excited about the company and what Apple stands for and what its potential is to contribute to the industry.
So when these people sell out, even though they get fabulously rich, they're gypping themselves out of one of the potentially most rewarding experiences of their unfolding lives. Without it, they may never know their values or how to keep their newfound wealth in perspective.
When you're a carpenter making a beautiful chest of drawers, you're not going to use a piece of plywood on the back, even though it faces the wall and nobody will ever see it. You'll know it's there, so you're going to use a beautiful piece of wood on the back.