And that illegal immigrants are taking these grand jobs and suppressing opportunity.

You are also falling into this weak-minded trap of doing things "the right way." How about the brain drain of other countries and what it does to suppress opportunity here? That is a two-way street of peril. You're trying to bust old Ignacio's balls over his landscaping job when you're looking past a Kaiser Permanente filled with Indian and Chinese doctors. Now, personally I don't consider either one problematic or undesirable, they are a result of labor, education and market conditions, but you seem to want to affix a lot more to it than that.