Also he's likely going to end up in jail because of what happened with that Uber fiasco.
https://www.latimes.com/business/story/2019-08-27/ex-google-...
That said, my exiting salary at some companies was dramatically higher than my salary when I joined because the stock had appreciated and so had my compensation. And if someone wants to hire me away that's the compensation they have to deal with, not my initial comp.
Anyway this is all a digression away from the fact that you are wildly misrepresenting salaries. You're also ignoring the two companies he sold to Google as part of his compensation. If you're interested you should google a bit about 510 Systems because the history is actually interesting, especially with the added knowledge of the founder becoming a total scumbag.