It has an undeniable ability to draw the best talent away from Europe and Asia, who want to earn more. I have worked with armies of these people -- they left their home countries for the opportunity for the big check. And those checks are way past the disparity you describe from at will employment, this is 10x more not 1.4x more.
This is why open borders and immigration is a right wing capitalist value and not a left wing one. Many left wing activists have fallen into this trap of towing the line of giant US corporations that strip the world of their human resource.
