Trump's strongest support in 2024 wasn't actually in the South.

https://lemmy.today/pictrs/image/95f42ca4-771c-4a27-b039-969f7ae8160a.jpeg

West Virginia and Wyoming, the two biggest coal producers, were the strongest supporters. There were states in the South that went for Trump, but there's also the Great Plains.

Contrast with, say, the 1920 presidential election, which was clearly a South-vs-rest-of-US result:

https://en.wikipedia.org/wiki/1920_United_States_presidential_election