Originally Posted by
Cielito_
No problem at all. You can walk out and ask to get reimbursed due to not being given your guaranteed upgrade. If they say no, which was sometimes my case, I got my money refunded after forcing a chargeback procedure by the bank. The prerequisite for this is that you have paid by credit card.
There are clear rules in the guarantee regarding the consequences of a breach of such guarantee. The consequence of walking out and getting reimbursed is not any of such consequences. Given that I cannot fully comprehend your view that this should not constitute a problem. The OP is entitled to 10,000 points or one of the other choices stated. This might not be satisfactory it is however the contractual consequence.