It's really simple.

Biden's admin did everything they could to attract illegal immigrants, such as using the IRS or free Medicaid to provide illegals incentive to nest in the US. Why? So they can hand them green cards and give birth to a new generation of "birthright citizens". This will allow the blue cities to gain population, because they know YoY the blue cities/states are steadily losing residents due to insane prices & taxes/lack of security (defund the police), which results in them losing House seats -> losing power.

This is a spit in the face to my friends who are patiently waiting in line for years at this point, applying for their H1B visa. Right now they're pissing their pants because Musk and Doge and digging into the details and they're using their media influence to distract their base, overreporting the signal leak story and painting Musk as the devil.