Regardless of the red v blue stances on it, the US is in a spot where if they were to actually deport the undocumented people, the net effect wouldn’t be what the GOP supporters would want.
They are doing the jobs that the “regular” Americans don’t want to do, in likely crappier circumstances than they would put up with. If they’re gone, everything would be more expensive and slower - due to lack of people doing the jobs. Similarly, we could stop TFWs in Canada and have Canadians do the crop-picking, Tim Hortons coffee-slinging, etc jobs that they’re doing now. But would they?
Part of me (comfortably at a remove from this situation) almost wants the GOP to win and implement their policy just to see how bad it gets, and like 2016-2020, having a decent chunk of the GOP supporters Pikachu-face that things were not, in fact, getting better.