Your calculation falls apart if you are comparing it against no business - which is what happens when a non-sustainable business eventually runs up against economic reality. The whole business of not-profitable companies growing for years and hiring people on imaginary future money is tech industry magic beans shit. It's divorced from the reality of the rest of the world where people have to really work for a living and don't get paid our astronomical salaries.
I work as a consultant in tech diligence, but previous to that I worked for many many years for small, profitable, Normal Businesses. And the company I work for is a normal business that watches the bottom line and doesn't over hire because we have to be profitable. If you go work for a magic bean company that doesn't think being a sustainable business matters, you are, unfortunately, part of a ponzi scheme that can fall apart any time.