If you thought Arizona was bad enough, start thinking if about every state (to some degree) starts responding to China like that state responds to illegals.
While foreign programmer are willing to work for less money, they don't work for a lesser lifestyle.
They work for less freedom - the amount of freedom that a business wants US citizens to have, but cannot have courtesy of protections.
It just costs less to live at the median level in India and China than it does in the U.S.
Unlike the US, those backwaters are filled with junk products and bad infrastructure. In addition, living conditions are worse off than the US.
As Maxo-Taco said, where would companies like Walmart or Target be if China and India could sell directly to the public?
Since WMT is already an arm of the PRC after the pro-American founder died, you're already looking at it.
Imagine that you bypass Amazon and buy directly from China. DealsExtreme does it very cheaply. Walmart and Target are the real constituency of your senators and congressmen.
You get a lot of unreliable products - with inconsistent quality - that are shipped very slowly and might as well be an IED by manufacture.
The time's coming when American retailers and businesses will be completely bought out or displaced by Chinese companies as will the management that runs those companies. Then the wailing and gnashing of teeth will begin.
Followed by literal tons of dead Chinese that made the mistake of crossing to the United States - with nobody caring to prosecute (or surviving the attempt). If you want a possible scenario, think of Red Dawn, except with the Chinese in play. Same kind of threat, same kind of response.