The campaign against barbarians (Steve Miller’s) crusade, Elons “not enough white babies” stuff, sucking up to the church (Vatican City is a Mussolini scheme), aspirations for conquest of Greenland and Panama, etc are all analogous to the maga playbook.
Most people are clueless. There are idiots who think they are getting $1 eggs next week. Riling up weirdos like libertarians lets the movement punch above their weight.
However, most of them wouldn't ever use the term libertarian, for not wanting to be associated with right wing libertarians.