I went ahead and called this morning as soon as the phone lines opened, primarily to check availability for changing from Chefs to Tutto Italia but also for this issue. The CM said that they are charging everyone who books online and you can only use the
DDP Guarantee bnooking through the phones. I am not sure about the accuracy of her statement, but do know that when I rebooked for Tutto Italia over the phone, my card was not charged and they did indeed use the DDP Guarantee with CC hold. I cancelled my original reservation for Chefs so the $600+ charges will be debited back to me in 7-10 business days.