Actually, the entire point of this article is that what you said is not true. Yes, you wll be given more and more responsibility to a point. But you can never attain a leadership position by doing everything for everyone--your efforts are not focused and no one will respect you because they will simply ask you to do everything, which is impossible at the level of, say, vice president of a hardware business (today, that probably equates to any serious management role, even a lead developer).