I wasn't one of the ones who posted in this thread, but the obvious answer seems to be that the person who is told "we'll replace you with a $10/hr worker from Pakistan" will conclude "immigration hurts me and should be reduced" and thus that political parties should adopt that position.
Neither political party in the US has this as part of their platform. I'm not sure whether or not anyone here is implying that they do, which is why I keep asking, to try to figure that out.
I have no idea whether the Times of India is an acceptable source or not, but here is a quote from them on what happened last time.
"Immigration attorney Kripa Upadhyay told TOI, “During the last Trump administration, there was significant disruption due to the introduction of ‘extreme vetting’ for visa interviews. Certain job categories, such as ‘Computer Occupations, All Other,’ may no longer be an option, as they may require applicants to demonstrate specific technical skills and knowledge.”"
So, likely more tightly vetted candidates who are paid more under Trump 47 but not necessarily fewer.