How about the economic impact of the rise in insurance rates because the majority of them don't have a drivers license, yet still drive and have been known to plow into entire rows of parked cars because they drive fucking hammered?
How about the economic impact of taxing local court systems...
Fear of losing labor in not an affirmative defense for allowing people to stay in the country illegally. If people don't want keep paying more for things, they'll have to face reality that they are going to have to get off their asses and work again.