Oh, I dunno.
Once the attitude of the "GET OUT!" movement has become entrenched in American culture, it may well take on a life of its own.
I can’t really argue that you are not correct.
My sense is that the Sanctuary movement has taken on the aura of Harriet Tubman and the underground railroad. Sanctuary is moral. Obeying American law is immoral.
That is the issue with we are faced.