What most clients want is to be the big winner. This is a natural biological drive for hierarchical social organization that provide real benefits like being able to get a better mate for yourself or your offspring increasing the likelihood of your genes being passed on.

The fact that most advisors are only good at making themselves rich usually at the expense of their clients - in part through recommending yet more advisors, aa when advisor A the financial planner recommends advisors B C D and E, the mutual funds in which his client should invest, which lick investments run by agents (the management) - is the reason most clients don't do that well.

The real problem is that no one can "advise" you on how to be Mark Zuckerberg. To use your rather weak analogy, the waiter's skill is about as good as the customers. Both can read the description and understand the menu. The waiter just uses experience (like long term geometric returns) to make guesses about the future (the appeal of the next helping of a dish) that are little better than the customers own reading of the menu.