"You impertinent girl! You're putting on quite a show!"
Yes.
She was indeed at fault here.
However that may be, she was still of the same generation as Sally Bennett.
Viola Thompson was two generations junior to her!
For a younger generation to arrogantly demand an elder to bow and apologize is nothing short of preposterous.
"Granny, don't be hasty to anger," Thompson rose to his feet, patting Lady Thompson's back. "Actually, you can't blame Miss Thompson for being upset. For a young lady, her reputation is everything. But we accused her, without differentiating right from wrong, of lacking self-respect and shamelessness. No one would tolerate such accusations."