Used to be commonplace.
But that was BEFORE the corporations decided to drive down the price of labor by flooding supply.
I'm not the biggest fan of unions. But they know how this game is played, and before they were bought off, were not as easily fooled as you.
The "jobs Americans won't take" is the lie they tell you, and the proof is in how much real wages have gone down in the last quarter to half a century. Ask any economist.
Simply supply/demand curve.