The next Bill Gates will not build an operating system. The next Larry Page or Sergey Brin won't make a search engine. If you are copying these guys, you aren't learning from them.
It's easier to copy a model than to make something new: doing what we already know how to do takes the world from 1 to n, adding more of something familiar. Every new creation goes from 0 to 1. This book is about how to get there.