I figured it was relativism he was speaking of (I don’t click on links).
People are tolerant of relativism because they are deceived by the devil. Some may say, that’s their own problem, but in truth it affects all of us b/c, for instance, your boss at work is probably more deceived by secular society than you, so he makes you work on Holy Days of Obligation.
DISCLAIMER: Catholic Answers has turned over the archive to Catholic-Questions.org and no longer owns, manages, or moderates the forums. For additional apologetics resources please visit www.catholic.com.