To further quote:
They kept themselves properly dressed and were obsessed with status to win the praise of men rather than out of a desire to shine the light of the gospel to all who see them.
They kept the rules, but forgot the reasons they were given. They kept the letter of the law, but neglected (and sometimes rejected) the spirit.
They loved their nation, but disregarded what made their nation great to begin with. They were guilty of many of the same sins as the harlots and publicans, but covered them with a veneer of pretended righteousness.
People often criticize Nibley for a number of reasons. What do you think of what he had to say?