The fear is good. The more the better to incite self deportation. There is no way the fed is going to be able to round up and deport 30 M.
Just need a rumor to start also that all their goods will be confiscated if they are caught. They will run like hell back. Maybe take matters into their own hands on the Soros operatives when they do.
Trump is cleaning up the illegal voter rolls before 2020.