"Maybe because the damned Arishok and his people rounded up all the nobles when they did their little rampage. They could either convert to the Qun or die. If Hawke hadn't shown up to become the Champion, it would have been a mess either way. So if they aren't still sore about that, I'll eat my blade hilt."

A decade is still enough time for them to remember, and remember vividly. Besides, nobles hold onto grudges like it's a sport. She can't hold the same idealism as Kirk about people, especially when it comes to nobles. They didn't gain all that wealth and power by playing nice.