It's good for business:
Shifting daylight one hour later means more light in the late spring and early fall for after-school and after-work leisure activities, and that means more time for gassing up, driving to the ballpark, and hitting the driving range. Paper-plates manufacturers, lighter-fluid makers, plant nurseries, and service stations anticipated a $4 billion windfall from the extended daylight hours.
(Video hat tip: The Morning News)