One - Big Business likes illegal illiterate Mexican labor. They make money from it. They give that money to politicians. GOP Politicians are beholden to money from big business moreso than the Leftists who are beholden to ideology are.
Two - The Ruling Class knows where the power is going to lie in the new order - and they will do anything to share in it. Judeo-Christian American Conservatism is being destroyed - and government is going to be the god of a post-Constitutional, post-American nation. Therefore they are going to do anything and everything to ensure a seat for themselves in that power.
Three - A permanent slave dependency class will always support that which it worships for provisions. The Ruling Class considers government to be that deity, and therefore all principles and loyalty is to the establishment, protection and growing that Beast.
All civilizations collapse. All Republics fall into debt, chaos and dictatorship before annihilation. We're simply trodding over old worn paths that came before us.
Can’t argue with anything you said. ~~sigh....~~
On the bright side, maybe you and I will be on the same work detail in the re-education camp, comrade.