As further context and reference point, here's Senator Jeff Session from April of 2015.

"It is not mainstream, but extreme, to continue surging immigration beyond any historical precedent and to do so at a time when almost 1 in 4 Americans age 25 to 54 does not have a job. What we need now is immigration moderation: slowing the pace of new arrivals so that wages can rise, welfare rolls can shrink and the forces of assimilation can knit us all more closely together.

But high immigration rates help the financial elite (and the political elite who receive their contributions) by keeping wages down and profits up. For them, what’s not to like? "