I disagree. Let's move fast and break things. Status quo is not going to improve our welfare in either the literal or policy sense. Economically speaking, immigration is the most profitable policy decision a government can make.
Being an extremist, you are vastly more likely to unite the country against yourself and roll back any progress on your cause than you are to advance it.
If they get much more broken there's going to be riots in the places rich white people live.
Now that I think about your idea more, I agree. Destroy the entire social safety net, bring in 20-50 million refugees and hope America survives the civil war.