This one sentence says it all: "The Economist found that between 2012 and 2015 the three biggest Indian outsourcing firms—TCS, Wipro and Infosys—submitted over 150,000 visa applications for positions that paid a median salary of $69,500. In contrast, America’s five biggest tech firms—Apple, Amazon, Facebook, Google and Microsoft—submitted just 31,000 applications, and proposed to pay their workers a median salary of…
Honestly, tying the qualification of H1B to salary only works as some sort of state-sponsored unionization. Not to mention the salaries of H1B employees are public, and that they are bound to a company meaning they have less bargaining power. And that the sampling is completely different, one is more of an homogeneous american citizen and the other is basically every country in the world, with varying degrees of know…
It's not unionization. It's a simple case of letting the market decide who's got rare and valuable skills. If you don't command an unusually high salary, your skills aren't that rare or aren't so essential to the company.