This whole thing is nonsense and really shows the insanity of the situation.
People's presence here illegally is mainly the responsibility of the federal government. They are the ones who have the jurisdiction to "build a wall" (haha like that will do anything) or provide the visas which people come in on.
Yet local governments (cities/states) are the ones who must somehow keep their region operating as well as possible regardless of the federal government's success or failure at managing illegal immigration.
Clearly over the years, local governments have realized that they are better off managing the illegal population rather than demonizing them. ie, you're better off with illegal immigrants passing a driver's test and driving with a driver's license than you are having them drive without any training/license because they're afraid of the state government. You're better off issuing them an ID and knowing who they are under any number of situations, than you are letting them just live under the radar.
You want them to leave, talk to the federal government.
victor809 wrote: