Pro wrasslin - St. Gregory the Theologian somewhere speaks of people who wrestle for show and not for victory in an athletic contest.
Fascination with celebrities - St. John Chrysostom rebuked his flock for knowing all sorts of details about celebrities but not knowing even the basic things about the Bible.
Christian morality - Sts. Jerome, Augustine, John Chrysostom and others complained that no one seemed to be willing to follow their advice on morality.
Appearances - St. John Chrysostom complained about make-up, skimpy clothing, and other such things.