That's it in a nutshell. Dems want blanket amnesty for DACA and for the borders to remain open. This serves several purposes. It gains them more voters, DACA recipients who were given a 'free pass' by the Dems. It sets an example to people outside the US that if they sneak in here, they can get a free pass too; further increasing illegal immigration. It also keeps the border open so that the flow of guns, drugs and human commodities can continue to flow freely; which the dems need for money, control and blackmail.
They don't want a real DACA solution because it would shut down their illegal operations and make Americans safer. They want us in FEAR so that we can be controlled by THEM. Evil.