It's not the popular thing to say on here, but if they willingly left the country, knowing the risks, I think they made their own beds. Being on US soil gives one a lot more power to make changes and once they left, they were out of the game. We're still in the game.
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Late 40's Dreamer (Holy Fucking shit I'm almost 50 and still dealing with this), aged out of original DACA and didn't have a chance to apply for extended DACA after Republicans killed it on the vine.