Scarcity
Remember that comic by gavalanche where Princess Luna has Pipsqueak over for a royal event, and Princess Celestia only finds this out when a servant is putting thick books on a chair for him to sit on?
This would be just like that, except Vice Principal Luna would be microwaving Sonata a burrito.
This would be just like that, except Vice Principal Luna would be microwaving Sonata a burrito.