Does that knowledge make any of the workers more?
Also, many of those guys (the immigrants) aren't trying to support and care for families in the US. They have families they're supporting in Mexico and the guys up here working house themselves up cramped and send money down to their families. Exploitation or not, because the US dollar still goes much further down in Mexico than it does here in the US, they're able to make less and still support their families well.
It's already been happening. It's finally, actually, for reals, the year for Linux.
Meme aside, countries have started to get off the Microsoft tit.