"Ignorant" = "rude" a Scotticism?

[Carolina Jimenez-Marcos]

How about salt of the earth?

I grew up in Houston, Texas, not long ago. The country types were Kickers.
They had their own brand of cool, which included silver belt buckles and
the ability to line dance for hours in big ol' boots.

btw, I lived 23 years in Texas and had friends from all parts of the state.
Nobody used ignorant to mean rude. Ignorant sometimes meant stupid. This
use always annoyed me. Had I studied linguistics before college, I might
have been less rigid about "proper" usage.
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