On the evidence we have, the meritocratic ideal ends up being just as undemocratic as the old emphasis on inheritance and tradition, and it forges an elite that has an aristocracy's vices (privilege, insularity, arrogance) without the sense of duty, self-restraint and noblesse oblige that WASPs at their best displayed.
Like most places, America has always had potent strains of anti-Semitism - crude and polished, K.K.K. and country club. But unlike many places, we have always had important strains of philo-Semitism as well; there is a long American tradition, with both Protestant and Enlightenment roots, of really liking Judaism and the Jews.
Modern conservatism was forged in the crucible of the 1970s inflation crisis, and in the aftermath of the 2008 financial crash many conservatives were convinced that there was nothing the Federal Reserve could do about the vast army of the unemployed without touching off a similar inflationary spiral.
If we had a populist president who didn't alienate so many persuadable voters, who took full advantage of a strong economy, and who had the political cunning displayed by Modi or Benjamin Netanyahu or Viktor Orban, the liberal belief in a hidden left-of-center mandate might be exposed as a fond delusion.