Because not everyone can be a professional football player or entertainer. Anyone can be a decision maker be it good or bad. Also, a football player or entertainer can also be a CEO. A great example of this is Beats By Dre, with Dr Dre being a CEO coupled with also being a major celebrity and selling the company he help found to Apple for 3 billion. We also have examples of athletes like Rob Dyrdek becoming a celebrity. Rarely do we see the inverse (e.g. shark tank with Cuban, Musk)

Is it fair that Joan shows up to work everyday at the Amazon warehouse busting her back, while Jeff works from his private plane making more money in few hours than Joan will ever see in a lifetime? That's what amazes me...