Every year, thousands of decent and good-natured people immigrate to the U.S. illegally, with the sole purpose of increasing their quality of life. Besides the hardships and the adaptation process that illegal immigrants bear, they always live in fear of being discovered and returned to a nation that has nothing to offer them but poverty. Just like all human beings, they are entitled to seek happiness were they see fit. The restrictions placed on immigrants by the INS go against their right to life, liberty and the pursuit of happiness. No one is stealing anything.
Employers are free to hire whoever they want, and usually cheap labor is their main choice.
Illegal immigrants take on the most arduous, low-paying jobs on the market. Therefore, it is very unlikely that legal residents will fight over those. I am truly amazed by the concept of penalizing individuals who want to work and make a humble living. I wonder sometimes whether human nature is all about preventing fellow humans from making progress. And from what I have observed so far, this principle lies at the very heart of INS laws which are narrow-minded and simplistic.