> a few people miss the ability to order a specialized breakfast on the spur of the moment

We're not discussing a specialized breakfast, nor a spur of the moment order... we're discussing a standard off the shelve Japanese bento box breakfast ordered during standard breakfast business hours.

IMO I would understand if they had a limited number of these, but to flat out take it off the menu unless pre-ordered and even then only for a select time slot goes over the "adapt for current economy/competition" situation.