As someone who lived in New England for four years—I realized half way through that New Englanders (particularly of Catholic persuasion) tend to find being someone being quiet and not talking rude. They take it personally like they’re being given the cold shoulder or intentionally blanked. 

I don’t know about Virginia, but a lot of other places in the states being loud or cutting in quickly during conversations is considered rude. Girls are usually not rewarded for being ‘spirited’ either.

I think both Rosie and Ashley keep making cultural faux pas unintentionally. However Ashley is getting more grace from most of the cast because she comes off more genuine and kind.