The discovery that Harry was indeed fired makes Sephy look naïve. She learns in this situation that she can’t take someone like Karl at his word—and she shouldn’t trust her parents to treat their staff fairly. Then, Dad essentially accuses Sephy of pretending to care about Lynette just so she looks good. And he notes that it’s extremely tone deaf for her to come in such an expensive dress, as it just highlights how poor the McGregors are.