What, the high houses? Well, they're exceptionally formal, known for standing on ceremony... home to some excessively stuffy milords and ladies... virtually anything that isn't handed down by the Fury herself and backed by thousands of years of tradition gets looked at askance, by some of them.

Only but tell them it's cultural and they should have to play along. Because the refusal would be no less ill-mannered of them, would it not?