Illegal Immigrants and Capitalism

Eos, you're forgetting that the rich want to get richer, and will do whatever is sensibly feasible to cut as many costs as possible; look at how many companies outsource jobs to other countries, or cut entire sections of dedicated-to-one-task workers to have a smaller workforce of jack-of-all-trades employees. You're ignoring the inherent flaws in any system: the human element.

When there's too much supply of workers and not enough demand for them, it causes wages to drop as people go underemployed or unemployed. It's a race to the bottom. How much more simple can it be?

My assumption with your statements is to allow open borders - those who want to come here to work can come as they please.

Already occurring due to off-shoring.
If here was the cheaper alternative that's work, and money, and taxes, that'd be staying within our own economy as opposed to bleeding out.

I honestly doubt there's such a thing as too many workers. The more people there are the more that can be done. Most of the people I know of who've been unemployed recently have been so because they felt the jobs available were beneath them. Immigrants tend to come willing to do anything with a dream of getting ahead and finding their niche, or even inventing new niches.