Yep. And that's pretty much what I wrote in post #1 (and post #2, come to think of it.)
I sat with a recently retired CFO of a major US construction company a few weeks ago. He supported the Chamber of Commerce line. His argument was all about deportation. (He'd been CEO or CFO of a couple of decent sized service industry type corporations.)
What was he concerned about with deportation? He said, "If we actually started an immediate deportation program directed at every illegal, then the economy would collapse." He claimed they were in 11 million or so jobs in the economy.
That was his only argument. He was fine with deporting over a 10 year period so it wouldn't all come crashing down at once. I said, "We have enough unemployed to cover it."
He groaned. "Most of those won't actually work if you did hire them. Just throwing your money away."
I have no way of knowing if his response is typical. He's the only retired CFO/CEO that I know.