https://theweek.com/articles/711518/course-language-essential-class-take-from-englishman

This also comes down to Charles Murray’s criticism that the upper class don’t preach what they practice; that while they tend to remain in monogamous relationships and otherwise make wise life decisions and plan ahead, they don’t emphasize these actions as things to imitate. But then why would they? Lifestyle scolding — as opposed to opinion scolding, as Murray has found out — is considered déclassé, perhaps because the wealthy and better-connected can afford to make mistakes with fewer risks.