10% discount at select Disney locations and Chase offers are reasons to put spend on the Disney card over 2% cashback cards. The Disney card is currently my only card offering 5% back on
Amazon through a Chase offer.
The other main use is for access to the photo opportunities and cardholder merchandise.
But a lot of people definitely fall into the trap of using his card for things where it's not ideal, likely because a lot of cardholders are Disney enthusiasts who don't really take time to think about credit card strategy.