We've seen this before, and thankfully anti-trust legislation allowed regulators to take effective measures against it when the market itself couldn't or wouldn't.
We could use a reminder that Google's competition, including Adobe, Apple, Intel, Intuit, Pixar, Lucasfilm, eBay, and Google itself, all colluded with each other[1] to limit competition and market processes in order to keep tech employee compensation below its true market value.
[1] https://en.wikipedia.org/wiki/High-Tech_Employee_Antitrust_L...