That scraping sound you hear is the shyster "lawyer" lobby sharpening it's knives. Twenty million potential "discrimination" lawsuits. That is, until one of their buddies on the bench decides that it's "constitutional" for all of those who have been deported since 1776 are allowed to file lawsuits against the United States.
Unfortunately, the Church is working against its own interests because while the majority of the illegal aliens do not support abortion, gay rights, etc., the Democrats they elect will.