What is "rich"? There are tens of not hundreds of thousands of people who could retire comfortably after working at Google, Facebook, Apple, MSFT for a decade

What is "rich"? There are tens of not hundreds of thousands of people who could retire comfortably after working at Google, Facebook, Apple, MSFT for a decade during their growth years. How many startup founders can do that? Sure, becoming a billionaire is a different story but who cares?