Only because it's an election year. If it weren't we'd stay in exactly the same place. It's called pandering. The people in Washington all know the largest minority is no longer the black population.
Okay, they pay a fine to stay. Directly into corrupt politicians pockets. No money No problem. Sell a few drugs or break into a few homes or cars, hock the stuff.. Entrance fee paid.
And the first 3 things on the illegal's agenda?
Get across the border, find a flop house to live in, create an anchor baby. All problems now solved. Jose in America forever. Bring on the freebies.
Don't think creating an anchor baby won't be on the top of their list. It already is. After all, it's fun, and it's free. And then it's permanent security.