Its religious fundamentalism, aka, structured and mandated persistent irrational delusions, anti-reality cult member behavior
When you realize these people just are a kind of insane that isn't recognized as a mental disorder because you can still work a wage slave job while having it... ... and because its broadly popular ... everything starts to make more sense.
America was founded by mostly a mixture of petty criminals and their descendants, and religious nutjobs, and their descendants.
... if you abandon the melting pot / tapestry of differences with a backbone of principles ... idea of America... you revert back to old habits and entrenched norms and material power structures.