When you consider that there are 7 million H1bs in this country, and you compare that to actual jobs in the US with IT titles, that there are 26 times more H1bs for every job.
Even if go by the broader estimate of a job that is IT related, there is enough H1bs to take all those too. The Great Replacement took place a long time ago.
From Brave:
Estimates for the number of information technology jobs in the United States vary significantly depending on whether the data refers to specific IT professional roles or the broader technology sector.
Specific IT Professional Roles: Zippia estimates there are over 260,608 individuals employed specifically as "Information Technology Professionals" in the U.S. This figure represents a narrower definition focused on specific job titles within the IT field.
Broader Technology Sector: More comprehensive data indicates a much larger workforce. As of 2025, the tech industry accounted for 7.9 million jobs, including positions in tech-related occupations.