[usurper]

It doesn't work:

If it doesn't work why are the dems and open border republicans completely opposed to it?

Because its a game changer and they know it. Trump even offered them DACA in exchange and they still said no.

[Theoria]

It doesn't work because it has built in holes to evade immigration enforcement. That has been known for years. Just look at Mississippi and see the flaws with the current everify. That's why companies like it that hire illegals, they can easily get around it.