Last I checked, white men still bankrolled and ran the show and held most of the tech jobs. What was your experience?
There are circumstances that the purpose of removal of privileges is specifically for oppression.
I work in higher education, and H1bs have been very useful for attracting talented faculty from all over the world. It's neither a perfect nor fundamentally broken system, but to understand how to fix it we should feel free to discuss the flaws and benefits openly.