(The crystallization of) the (19th century) totalitarianism phenomenon; ...had hardly been noticed by either the learned or public opinion because they belonged to a subterranean stream of European history, (where) hidden from light... they gather an entirely unexpected virulence.
Hannah Arendt

Only in the 19th and 20th centuries, after the emancipation and with the spread of assimilation, has antisemitism played any role in the conversation of the people, since only then did Jews aspire to be admitted to non-Jewish society.
Hannah Arendt - The Origin of Totalitarianism.

The 2024 US election rhetoric on either side fundamentally didn't convince anyone outside of the convinced! It was more a rejection of the Dems being too 'preachy' and fallen 'out of touch' with their root constituencies.