The obvious goal is not to police illegal immigration but to purge the US of as many immigrants as possible and halt immigration in general so that "native born

The obvious goal is not to police illegal immigration but to purge the US of as many immigrants as possible and halt immigration in general so that "native born Americans" can get all of the jobs they think immigrants (and "DEI" hires - it's so difficult not to read all of this as code for "not white") have "stolen" from them. The ham-fisted arbitrariness and cruelty is the point.