In addition to the other answers: Great Replacement Theory.

Now that musk is saying he’s doing the DOGE stuff “because the globalists have plotted a Great Replacement in which they use government handouts to buy votes from illegal immigrants and urban blacks” maybe we don’t have to act like this is about deficits or cost cutting anymore.

— https://bsky.app/profile/jakemgrumbach.bsky.social/post/3lifu5gicrc27

Republican politicians have used the conspiracy theory to discredit the Democrats, falsely accusing them of inviting migrants to the country who would then give the Democratic Party an electoral edge.

—https://en.wikipedia.org/wiki/Great_Replacement_conspiracy_theory_in_the_United_States#Republican_Party

List of proponents: Elon Musk.

— https://en.wikipedia.org/wiki/Great_Replacement_conspiracy_theory#List_of_proponents

What Elon Musk Wants. Ezra Klein Show. The journalist Kara Swisher discusses Elon Musk’s goals in government — and the factors that have led to his radicalization.

— https://www.nytimes.com/2025/02/07/opinion/ezra-klein-podcast-kara-swisher.html

The Tesla CEO rang in the new year [2024] with a string of tweets worrying that Biden is ushering illegal immigrants into the U.S. to become Democratic voters

— https://www.rollingstone.com/culture/culture-news/elon-musk-great-replacement-conspiracy-theory-1234941337/