By backing the re-election of Donald Trump and his vice-president, JD Vance, radical libertarians have ensured that some of their beliefs are driving the ideological turn that is shaping Trump’s second term and the new global order. Ideas popular among radical, libertarian Silicon Valley executives, such as pro-natalism, support for eugenics and even the replacement of democracy by CEO-led “monarchy”, are fusing with Maga nativism.