Fact is the unemployment rate in this country is around %3 meaning we have full employment and then some and we can't fill open positions.
This is all about economy and has nothing to do with politics believe it or not or power equation as you put it.
I'm totally agains illegal immigration and I don't live in a pie in the sky but I think you live in an echo chamber.
Having said that, there are a lot of people like you who thinks if we magically stop immigration things will be fine and dandy.
Unfortunately they won't.
Yes, the wages will rise but also everything along with it and poor will be poor again.
This piece by the Bush (yes George Bush) center explains how immigration is a net benefit to our economy and there are a lot more bipartisan sources if you care to read and look.
As the debate surrounding immigration heats up, the contributions immigrants make remain an economic boost we cannot overlook.
www.bushcenter.org
I'm with you about Democrats coming in and trying to change the places we all love, but be careful calling any place a shit hole because if some of these shit holes wouldn't exist we wouldn't have half of the Fortune 500 companies and their tax revenues.