If you sample only from the 10,000 or so current Olympic athletes, you will draw similarly incorrect conclusions about the 8 billion planetary general population's athletic ability.

Okay, and let's say there's another 4000 Sr Staff+ engineers at Google making that much. That's 4% of the company.

That's not unheard of, but it's certainly rare. $1 million+ is not a "typical salary", even at Google.