(Methodology): Author here. Technical methodology: The counterintuitive finding: DHS justified the weighted lottery by citing "employers submitting large volumes of low-wage registrations"—understood to mean staffing firms. But our data shows:

Product companies (direct employers): 22.0% Level I concentration Staffing/consulting firms: 7.1% Level I concentration Ratio: 3.1× Tech companies hiring junior engineers get hit 3x harder than the outsourcing firms the rule supposedly targets.

Data: DOL H-1B LCA Disclosure Data FY2024, 517,874 certified applications. Stack: Python, pandas 2.1.0.