If you, acting as the state, wish to manage the problem of illegible, off-the-books illegal migrant labor, you are going to have to make the problem legible in some form in order to manage it
If you want to control this, you first have to bring those outside your purview into it
Holy smokes, the DHS appropriations bill would increase the total effective cap for H-2B from 66,000 to an estimated 252,342.
They're increasing the flow of cheap visa labor into a collapsing job market.