system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why don't opponents of illegal immigration go after the employers who hire illegal immigrants?

What would be the political/social/economic implications of forcing employers to hire legal workers?  Isn't the basic tenet of economics supply and demand?  If you reduce the supply of jobs the illegal immigrants can obtain, fewer will try to come settle here, no?
gpt
Because the rich actually love having a permanent underclass of workers without rights, and have always played on the ignorance and racism of the white working class in order to direct the blame at those beneath them, rather than those at the top.