I wouldn’t say that, while immigration maintains the Catholic percentage of the population and makes up for the whites leaving Catholicism, that is all that it does, it doesn’t increase the numbers, and any modest immigration reform could slow even that.
The operative illusion here is that in a democracy demographics decide. In fact, the elite decides. Today, we have the secularist-agnostic media and education elite putting the Democrats on top. They do so in every market: in Hispanic Southwest and in Anglo-Saxon Northeast, and even in the largely white long-ancestry Midwest we struggle to elect people who represent our values, because -- not of the Hispanics, however they back-fill the white working class of old as Democratic fodder, -- but because of the semi-educated, well-spoken, secure in their liberal bias, irreligious, white middle class; they are the transmission belt of liberal ideas into the American voting public. They are the ones who perpetuate the caricature of a conservative being an illiterate racist who can't compete for high-tech jobs with the Hindus, or a religious fanatic straight from the Middle Ages who thinks the earth is flat, or a big guy with a tiny penis driving an SUV because he can't control his woman anymore.
Now, that is what Protestant White America produced: these faithless wimps sitting in our schools and regulatory agencies are the American ruling class and they are product of American Protestantism. Conservative Protestantism exists, but it has nothing to propose that does nor further reinforce the liberal stereotype; it in fact cannot see itself straight out of the three-stick forest of Protestant theology.
Where is Pat Robertson's "invisible army" of 1988? Right, same place as in 1988, caricature fodder. Protestantism does not have a credible Protestant elite to move the numbers. It presently serves as a giant denominational pump that consumes Catholic weaklings and produces well-meaning agnostics, America's other growing religious group besides Islam.
The Catholic Church has its share of problems, mostly self-inflicted, but we are the force of intellectual superiority because we operate in the realm of truth. The numbers will come along, -- certainly not this election cycle and maybe not a few more. But we are the force ascendant. Observe, by the way, the Left knows who is going to read to them their last rites. No one tries to slander, discredit, ridicule, lie about, recruit to the cause, intimidate, and harass with lawsuits the American Protestants, because no one is afraid of them any more. It is the Catholic Church that is the target of the Left, and we like it that way.
[12] ...they will lay their hands upon you, and persecute you, delivering you up to the synagogues and into prisons, dragging you before kings and governors, for my name's sake. [13] And it shall happen unto you for a testimony. [14] Lay it up therefore into your hearts, not to meditate before how you shall answer: [15] For I will give you a mouth and wisdom, which all your adversaries shall not be able to resist and gainsay.[16] And you shall be betrayed by your parents and brethren, and kinsmen and friends; and some of you they will put to death. [17] And you shall be hated by all men for my name's sake. [18] But a hair of your head shall not perish. [19] In your patience you shall possess your souls. (Luke 21)