People look at it, get bored with it, or just think it is too outlandish to ever get much support. But these people abandon basic Christian theology for an aberrant form of it that replaces the spiritual kingdom with one on earth, and they replace the new covenant of Christ with the Old Testament, including the belief that white Americans are a chosen race and God will hold their coattails and cheer them on when they pick up arms and murder their enemies. There are a lot of intersections here, with white supremacists, white Christian nationalists and the current strands of dominion theology, the revived Reconstructionism of Rushdoony in Calvinist circles, the "Kingdom Now" version of it among the Pentecostals and Charismatics, where the loony bin gets really scary, and Catholic Integralism, which has always been around in some form or another and which you see in Alito and Thomas, among others. Now it has intersected with Trumpism. In a United States under dominionist rule, Trump would be executed for his sins. But these people have succumbed to the temptation of power and wealth, and are willing to give a pass to an immoral, God-cursing, lying adulterer like Trump in exchange for what he can give them. There's nothing more worldly or corrupt than that.
All I can say is that these people better be taken seriously, and Americans better wake up to what they're up to. They have been a threat to the Christian church and they have turned much of it into an apostate, heretical cult. There are people within who have awakened to the danger, but dissenters among the Christian right are neturalized, punished with loss of income and property if that can be gotten away with, and silenced.