The U.S. is an aggressively capitalist system. A person’s value is usually measured in dollars exchanged for labor. Legal immigration status is not a certification of capability, so it has little practical utility. In a capitalist exchange, it literally doesn’t matter.
What the lower classes are concerned about is the value of their labor relative to others’, while the upper classes are concerned with getting a good deal by avoiding increases to the labor-cost floor. Bribes/subsidies and offered scams, have worked so far.
If the federal government, as an institution, were genuinely concerned about illegal immigration, it would have a different set of tactics. Start by punishing the sources of capital (fewer people), then property owners (more people), and only afterward the laborers themselves (many people).
What I see is a combination of class warfare and political theater, not a sincere effort to enforce the law. The law is incidental, made obvious by the exceptions the administration has had to carve out for certain industries.
It's collective narcissism. Narcissists only ever express one emotion - aggressive contempt. So the destruction, incoherence, murder, and abuse are all predictable outcomes of a malignantly narcissistic regime.
Out groups are always the initial targets for these movements, but as time goes on any form of dissent will cause narcissistic wounding and will be treated accordingly.