Yes, but I'm in favor of it.
Honestly, this is the take I want to go with sometimes.
I know we'll be of vastly different minds on this, but I hope you can appreciate the humor in the prospect of pro-immigration rightists hoping people from the developing world can swamp out secular, liberal white voters. AFAIK it's only a phenomenon so far on the Internet or maybe in Canada(?).
Arguably the most successful (well, "successful") example of that is Israel. Although that's often an aspect of Israeli society that's overlooked because it doesn't fit into either Side's narrative.
But frankly, I'll take the values of your average Mexican Catholic any day over your average White American heretic who thinks God is all for cutting welfare, destroying the environment and mass incarceration.