Well it certainly involved alcohol and being under 21...
1.
http://forums.dansdeals.com/index.php?topic=7760.02.
http://forums.dansdeals.com/index.php?topic=8093.03. Purchase Protection exclusions from platinum card:
"Purchases Not Covered...3. travelers checks, tickets of any kind, negotiable instruments (including but not limited to gift certificates, gift cards and gift checks), cash or its equivalent, rare stamps or coins;
4. Return protection exclusions from platinum card
"...20. tickets of any kind (including, but not limited to, transportation passes or tickets and event tickets);"
5.Even if they were covered, you purchased them under false pretenses so sounds like they wouldn't be covered anyway