Being married is nowadays considered to be old-fashioned. Young people find matrimony conservative and prefer to stay officially unattached. Countries with traditional views still believe that family is something essential in every person’s life.
Cliches are irritating. Some of them obviously need to be dispelled. We could hardly ever stop people from believing in some certain myths and the reason why people are so unwilling to give up on cliches is that cliches state without giving an explanation.