As sort of suggested at the end, we have similar kinds of expressions. We in the South have similar misunderstandings with northerners. “Bless your heart,” as mentioned in the article, is a most patronizing put down.
“Yes, please tell us more about how you all did it up in New Jersey.”
“Come see us.” There are a couple of ladies from my home town who live a block over from. I met them last year shortly after one moved in. “We’ll all get together just as soon as I get settled in.” I communicate with one of them every few months on Facebook, but I never saw them again. I bet none of us consider that unusual.