(The vote is still a couple of hours away at time of writing, "have been" should be operative just after 7pm Pacific)

The Republican anti-immigrant extremists might back down on DACA, theoretically, but we know that'll never happen.

The Democrats, or at least ten or so, could throw the Dreamers under the bus and vote for the budget, avoiding the shutdown and all the pain you predict.

Rock and a hard place, morally. Maybe that's my answer to the question hank posed: Damned if we do, damned if we don't, and schadenfreude at the GOP's bottomless incompetence seems out of place. They're gonna hurt somebody, royally.