Cedar Fair didn't have to offer anything considering the below is listed as the terms of agreement. They were trying to make most customers happy and not sink the company from missing a year of income.
I agree that all ticket sales are final. There are no refunds or exchanges.
ALL SALES ARE FINAL – NO REFUNDS, NO TRANSFERS OR EXCHANGES, NO RAIN CHECKS, NOT VALID FOR CASH.
All operating dates and hours are subject to change without notice.
All rides and attractions are subject to closings and cancellations for weather or other conditions.
Operating dates are subject to change without notice.
All attractions are subject to closing and cancellations for weather or other conditions.