Let's continue to pretend that the border doesn't exist, while raising the minimum wage!
This is like making the hole at the bottom of the tub larger, while pouring in more water and adding suction at the same time. You're increasing the hiring incentive for US employers, simultaneously reducing their incentive to hire US workers.
Electorally, you get to add numbers both to an oppressed underclass and the idle government dependants. Economically, you get to increase government spending at both ends.
If the Democrats weren't so clearly incompetent, this might actually constitute a plan.