Possible Clues:

• Forbidden practices
• Things not allowed
• Looking back, graduate swamped by the black stuff produces societal prohibitions
• Societal proscriptions
• Societal no-nos
• Section of a foreign travel guide, maybe
• Bans volunteers with drink, reportedly
• Many of the Ten Commandments
• Iconoclasts break them
• We won't accept these contemptuous noises, thank you, for a start