I don’t really know what the studies show or how accurately they represent the effect of restricting H-1B today. I do believe there is a chance it could help the native population, partly because a lot more Americans studied CS in the last few years after it became a prestigious and high-paying career compared to its usual immigrant dominated status. I'm tired of the constant slurs and hatred. It’s better for immigrants too to be turned away before getting a visa than live amongst people that hate them. I know many people believe that eliminating it would cause less competition and they have many anecdotes to back this up - including discrimination by some hiring managers, caste system stuff, poor work quality, etc etc. Ive seen enough evidence that this is not just a fake bot created trend - a lot of people really do not want immigrants. Democracy demands that the government run the experiment and gives the people what they want.

That's a lot of evidence free speculation. "Many people believe", and you doubt any studies that show the opposite.