You don’t get rich paying a ton of people 200k.
You literally do, though. Because wealth isn't a function of the volume of currency you've amassed, it is the quality of goods and services that the currency can purchase. When you've got a ton of highly educated people working as a team to accomplish something exceptional, what you get back is far more than what you put in.
Just ask Billie Beane, a guy who is a testament to what the upper limit of $200k/player gets you in terms of a baseball team. Yeah, you can beat the average for a little while by one exceptional administrator squeezing the system on the margins. But the only way you win that final game of the season is with a budget like what the Red Soxes or the Dodgers or Astros bring to bare.
And in that triumph, you do - in fact - get rich. You fill more stadium seats. You sell more cars or phones. You build more elaborate buildings. You send people to the bottom of the sea (without them getting crushed to death) and up to the moon.
At some point, you've got to put forward an investment. You can't run an advanced economy on poverty-level wages. And if you don't have those advances in medicine and engineering and logistics and technology, what the fuck kind of rich are you?
Do you want to pay competitive salaries in Heaven or run a robber barony in Hell?