> and the companies hiring them are screaming about stricter ICE enforcement.[3][4]

Your statement matches nothing listed in those linked articles. [3] Talks about how the dairy industry is concerned as it relies on immigrant labor. [4] only quotes an "official of the plant" who says they are against illegal immigration, a personal opinion.

[3] also amusingly paints the immigrants as tech savvy identity theives which is laughable. Likely, it is whatever shady entity the employer uses to hire illegals allowing them to deny involvement.